398580480

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 288

約数和(自身を含む): 1491302400

約数和(自身を除く): 1092721920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 607, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1214, 1216, 1280, 1368, 1440, 1520, 1710, 1728, 1821, 1824, 1920, 2052, 2160, 2280, 2304, 2428, 2432, 2565, 2736, 2880, 3035, 3040, 3420, 3456, 3642, 3648, 3840, 4104, 4320, 4560, 4856, 4864, 5130, 5463, 5472, 5760, 6070, 6080, 6840, 6912, 7284, 7296, 8208, 8640, 9105, 9120, 9712, 10260, 10926, 10944, 11520, 11533, 12140, 12160, 13680, 14568, 14592, 16389, 16416, 17280, 18210, 18240, 19424, 20520, 21852, 21888, 23066, 24280, 24320, 27315, 27360, 29136, 32778, 32832, 34560, 34599, 36420, 36480, 38848, 41040, 43704, 43776, 46132, 48560, 54630, 54720, 57665, 58272, 65556, 65664, 69198, 72840, 72960, 77696, 81945, 82080, 87408, 92264, 97120, 103797, 109260, 109440, 115330, 116544, 131112, 131328, 138396, 145680, 155392, 163890, 164160, 172995, 174816, 184528, 194240, 207594, 218520, 218880, 230660, 233088, 262224, 276792, 291360, 311391, 327780, 328320, 345990, 349632, 369056, 388480, 415188, 437040, 461320, 466176, 518985, 524448, 553584, 582720, 622782, 655560, 656640, 691980, 699264, 738112, 776960, 830376, 874080, 922640, 1037970, 1048896, 1107168, 1165440, 1245564, 1311120, 1383960, 1398528, 1476224, 1556955, 1660752, 1748160, 1845280, 2075940, 2097792, 2214336, 2330880, 2491128, 2622240, 2767920, 2952448, 3113910, 3321504, 3496320, 3690560, 4151880, 4195584, 4428672, 4982256, 5244480, 5535840, 6227820, 6643008, 6992640, 7381120, 8303760, 8857344, 9964512, 10488960, 11071680, 12455640, 13286016, 14762240, 16607520, 19929024, 20977920, 22143360, 24911280, 26572032, 33215040, 39858048, 44286720, 49822560, 66430080, 79716096, 99645120, 132860160, 199290240, 398580480]

約数ペア:

[(1, 398580480), (2, 199290240), (3, 132860160), (4, 99645120), (5, 79716096), (6, 66430080), (8, 49822560), (9, 44286720), (10, 39858048), (12, 33215040), (15, 26572032), (16, 24911280), (18, 22143360), (19, 20977920), (20, 19929024), (24, 16607520), (27, 14762240), (30, 13286016), (32, 12455640), (36, 11071680), (38, 10488960), (40, 9964512), (45, 8857344), (48, 8303760), (54, 7381120), (57, 6992640), (60, 6643008), (64, 6227820), (72, 5535840), (76, 5244480), (80, 4982256), (90, 4428672), (95, 4195584), (96, 4151880), (108, 3690560), (114, 3496320), (120, 3321504), (128, 3113910), (135, 2952448), (144, 2767920), (152, 2622240), (160, 2491128), (171, 2330880), (180, 2214336), (190, 2097792), (192, 2075940), (216, 1845280), (228, 1748160), (240, 1660752), (256, 1556955), (270, 1476224), (285, 1398528), (288, 1383960), (304, 1311120), (320, 1245564), (342, 1165440), (360, 1107168), (380, 1048896), (384, 1037970), (432, 922640), (456, 874080), (480, 830376), (513, 776960), (540, 738112), (570, 699264), (576, 691980), (607, 656640), (608, 655560), (640, 622782), (684, 582720), (720, 553584), (760, 524448), (768, 518985), (855, 466176), (864, 461320), (912, 437040), (960, 415188), (1026, 388480), (1080, 369056), (1140, 349632), (1152, 345990), (1214, 328320), (1216, 327780), (1280, 311391), (1368, 291360), (1440, 276792), (1520, 262224), (1710, 233088), (1728, 230660), (1821, 218880), (1824, 218520), (1920, 207594), (2052, 194240), (2160, 184528), (2280, 174816), (2304, 172995), (2428, 164160), (2432, 163890), (2565, 155392), (2736, 145680), (2880, 138396), (3035, 131328), (3040, 131112), (3420, 116544), (3456, 115330), (3642, 109440), (3648, 109260), (3840, 103797), (4104, 97120), (4320, 92264), (4560, 87408), (4856, 82080), (4864, 81945), (5130, 77696), (5463, 72960), (5472, 72840), (5760, 69198), (6070, 65664), (6080, 65556), (6840, 58272), (6912, 57665), (7284, 54720), (7296, 54630), (8208, 48560), (8640, 46132), (9105, 43776), (9120, 43704), (9712, 41040), (10260, 38848), (10926, 36480), (10944, 36420), (11520, 34599), (11533, 34560), (12140, 32832), (12160, 32778), (13680, 29136), (14568, 27360), (14592, 27315), (16389, 24320), (16416, 24280), (17280, 23066), (18210, 21888), (18240, 21852), (19424, 20520)]