645541920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 384

約数和(自身を含む): 2416780800

約数和(自身を除く): 1771238880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 73, 80, 89, 90, 92, 96, 108, 115, 120, 135, 138, 144, 146, 160, 178, 180, 184, 207, 216, 219, 230, 240, 267, 270, 276, 288, 292, 345, 356, 360, 365, 368, 414, 432, 438, 445, 460, 480, 534, 540, 552, 584, 621, 657, 690, 712, 720, 730, 736, 801, 828, 864, 876, 890, 920, 1035, 1068, 1080, 1095, 1104, 1168, 1242, 1314, 1335, 1380, 1424, 1440, 1460, 1602, 1656, 1679, 1752, 1780, 1840, 1971, 2047, 2070, 2136, 2160, 2190, 2208, 2336, 2403, 2484, 2628, 2670, 2760, 2848, 2920, 3105, 3204, 3285, 3312, 3358, 3504, 3560, 3680, 3942, 4005, 4094, 4140, 4272, 4320, 4380, 4806, 4968, 5037, 5256, 5340, 5520, 5840, 6141, 6210, 6408, 6497, 6570, 6624, 6716, 7008, 7120, 7884, 8010, 8188, 8280, 8395, 8544, 8760, 9612, 9855, 9936, 10074, 10235, 10512, 10680, 11040, 11680, 12015, 12282, 12420, 12816, 12994, 13140, 13432, 14240, 15111, 15768, 16020, 16376, 16560, 16790, 17520, 18423, 19224, 19491, 19710, 19872, 20148, 20470, 21024, 21360, 24030, 24564, 24840, 25185, 25632, 25988, 26280, 26864, 30222, 30705, 31536, 32040, 32485, 32752, 33120, 33580, 35040, 36846, 38448, 38982, 39420, 40296, 40940, 42720, 45333, 48060, 49128, 49680, 50370, 51976, 52560, 53728, 55269, 58473, 60444, 61410, 63072, 64080, 64970, 65504, 67160, 73692, 75555, 76896, 77964, 78840, 80592, 81880, 90666, 92115, 96120, 97455, 98256, 99360, 100740, 103952, 105120, 110538, 116946, 120888, 122820, 128160, 129940, 134320, 147384, 149431, 151110, 155928, 157680, 161184, 163760, 175419, 181332, 184230, 192240, 194910, 196512, 201480, 207904, 221076, 226665, 233892, 241776, 245640, 259880, 268640, 276345, 292365, 294768, 298862, 302220, 311856, 315360, 327520, 350838, 362664, 368460, 384480, 389820, 402960, 442152, 448293, 453330, 467784, 483552, 491280, 519760, 552690, 584730, 589536, 597724, 604440, 623712, 701676, 725328, 736920, 747155, 779640, 805920, 877095, 884304, 896586, 906660, 935568, 982560, 1039520, 1105380, 1169460, 1195448, 1208880, 1344879, 1403352, 1450656, 1473840, 1494310, 1559280, 1754190, 1768608, 1793172, 1813320, 1871136, 2210760, 2241465, 2338920, 2390896, 2417760, 2689758, 2806704, 2947680, 2988620, 3118560, 3508380, 3586344, 3626640, 4034637, 4421520, 4482930, 4677840, 4781792, 5379516, 5613408, 5977240, 6724395, 7016760, 7172688, 7253280, 8069274, 8843040, 8965860, 9355680, 10759032, 11954480, 13448790, 14033520, 14345376, 16138548, 17931720, 20173185, 21518064, 23908960, 26897580, 28067040, 32277096, 35863440, 40346370, 43036128, 53795160, 64554192, 71726880, 80692740, 107590320, 129108384, 161385480, 215180640, 322770960, 645541920]

約数ペア:

[(1, 645541920), (2, 322770960), (3, 215180640), (4, 161385480), (5, 129108384), (6, 107590320), (8, 80692740), (9, 71726880), (10, 64554192), (12, 53795160), (15, 43036128), (16, 40346370), (18, 35863440), (20, 32277096), (23, 28067040), (24, 26897580), (27, 23908960), (30, 21518064), (32, 20173185), (36, 17931720), (40, 16138548), (45, 14345376), (46, 14033520), (48, 13448790), (54, 11954480), (60, 10759032), (69, 9355680), (72, 8965860), (73, 8843040), (80, 8069274), (89, 7253280), (90, 7172688), (92, 7016760), (96, 6724395), (108, 5977240), (115, 5613408), (120, 5379516), (135, 4781792), (138, 4677840), (144, 4482930), (146, 4421520), (160, 4034637), (178, 3626640), (180, 3586344), (184, 3508380), (207, 3118560), (216, 2988620), (219, 2947680), (230, 2806704), (240, 2689758), (267, 2417760), (270, 2390896), (276, 2338920), (288, 2241465), (292, 2210760), (345, 1871136), (356, 1813320), (360, 1793172), (365, 1768608), (368, 1754190), (414, 1559280), (432, 1494310), (438, 1473840), (445, 1450656), (460, 1403352), (480, 1344879), (534, 1208880), (540, 1195448), (552, 1169460), (584, 1105380), (621, 1039520), (657, 982560), (690, 935568), (712, 906660), (720, 896586), (730, 884304), (736, 877095), (801, 805920), (828, 779640), (864, 747155), (876, 736920), (890, 725328), (920, 701676), (1035, 623712), (1068, 604440), (1080, 597724), (1095, 589536), (1104, 584730), (1168, 552690), (1242, 519760), (1314, 491280), (1335, 483552), (1380, 467784), (1424, 453330), (1440, 448293), (1460, 442152), (1602, 402960), (1656, 389820), (1679, 384480), (1752, 368460), (1780, 362664), (1840, 350838), (1971, 327520), (2047, 315360), (2070, 311856), (2136, 302220), (2160, 298862), (2190, 294768), (2208, 292365), (2336, 276345), (2403, 268640), (2484, 259880), (2628, 245640), (2670, 241776), (2760, 233892), (2848, 226665), (2920, 221076), (3105, 207904), (3204, 201480), (3285, 196512), (3312, 194910), (3358, 192240), (3504, 184230), (3560, 181332), (3680, 175419), (3942, 163760), (4005, 161184), (4094, 157680), (4140, 155928), (4272, 151110), (4320, 149431), (4380, 147384), (4806, 134320), (4968, 129940), (5037, 128160), (5256, 122820), (5340, 120888), (5520, 116946), (5840, 110538), (6141, 105120), (6210, 103952), (6408, 100740), (6497, 99360), (6570, 98256), (6624, 97455), (6716, 96120), (7008, 92115), (7120, 90666), (7884, 81880), (8010, 80592), (8188, 78840), (8280, 77964), (8395, 76896), (8544, 75555), (8760, 73692), (9612, 67160), (9855, 65504), (9936, 64970), (10074, 64080), (10235, 63072), (10512, 61410), (10680, 60444), (11040, 58473), (11680, 55269), (12015, 53728), (12282, 52560), (12420, 51976), (12816, 50370), (12994, 49680), (13140, 49128), (13432, 48060), (14240, 45333), (15111, 42720), (15768, 40940), (16020, 40296), (16376, 39420), (16560, 38982), (16790, 38448), (17520, 36846), (18423, 35040), (19224, 33580), (19491, 33120), (19710, 32752), (19872, 32485), (20148, 32040), (20470, 31536), (21024, 30705), (21360, 30222), (24030, 26864), (24564, 26280), (24840, 25988), (25185, 25632)]