81082560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 224

約数和(自身を含む): 284195520

約数和(自身を除く): 203112960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 73, 78, 80, 89, 96, 104, 120, 130, 146, 156, 160, 178, 192, 195, 208, 219, 240, 260, 267, 292, 312, 320, 356, 365, 390, 416, 438, 445, 480, 520, 534, 584, 624, 712, 730, 780, 832, 876, 890, 949, 960, 1040, 1068, 1095, 1157, 1168, 1248, 1335, 1424, 1460, 1560, 1752, 1780, 1898, 2080, 2136, 2190, 2314, 2336, 2496, 2670, 2847, 2848, 2920, 3120, 3471, 3504, 3560, 3796, 4160, 4272, 4380, 4628, 4672, 4745, 5340, 5694, 5696, 5785, 5840, 6240, 6497, 6942, 7008, 7120, 7592, 8544, 8760, 9256, 9490, 10680, 11388, 11570, 11680, 12480, 12994, 13884, 14016, 14235, 14240, 15184, 17088, 17355, 17520, 18512, 18980, 19491, 21360, 22776, 23140, 23360, 25988, 27768, 28470, 28480, 30368, 32485, 34710, 35040, 37024, 37960, 38982, 42720, 45552, 46280, 51976, 55536, 56940, 60736, 64970, 69420, 70080, 74048, 75920, 77964, 84461, 85440, 91104, 92560, 97455, 103952, 111072, 113880, 129940, 138840, 151840, 155928, 168922, 182208, 185120, 194910, 207904, 222144, 227760, 253383, 259880, 277680, 303680, 311856, 337844, 370240, 389820, 415808, 422305, 455520, 506766, 519760, 555360, 623712, 675688, 779640, 844610, 911040, 1013532, 1039520, 1110720, 1247424, 1266915, 1351376, 1559280, 1689220, 2027064, 2079040, 2533830, 2702752, 3118560, 3378440, 4054128, 5067660, 5405504, 6237120, 6756880, 8108256, 10135320, 13513760, 16216512, 20270640, 27027520, 40541280, 81082560]

約数ペア:

[(1, 81082560), (2, 40541280), (3, 27027520), (4, 20270640), (5, 16216512), (6, 13513760), (8, 10135320), (10, 8108256), (12, 6756880), (13, 6237120), (15, 5405504), (16, 5067660), (20, 4054128), (24, 3378440), (26, 3118560), (30, 2702752), (32, 2533830), (39, 2079040), (40, 2027064), (48, 1689220), (52, 1559280), (60, 1351376), (64, 1266915), (65, 1247424), (73, 1110720), (78, 1039520), (80, 1013532), (89, 911040), (96, 844610), (104, 779640), (120, 675688), (130, 623712), (146, 555360), (156, 519760), (160, 506766), (178, 455520), (192, 422305), (195, 415808), (208, 389820), (219, 370240), (240, 337844), (260, 311856), (267, 303680), (292, 277680), (312, 259880), (320, 253383), (356, 227760), (365, 222144), (390, 207904), (416, 194910), (438, 185120), (445, 182208), (480, 168922), (520, 155928), (534, 151840), (584, 138840), (624, 129940), (712, 113880), (730, 111072), (780, 103952), (832, 97455), (876, 92560), (890, 91104), (949, 85440), (960, 84461), (1040, 77964), (1068, 75920), (1095, 74048), (1157, 70080), (1168, 69420), (1248, 64970), (1335, 60736), (1424, 56940), (1460, 55536), (1560, 51976), (1752, 46280), (1780, 45552), (1898, 42720), (2080, 38982), (2136, 37960), (2190, 37024), (2314, 35040), (2336, 34710), (2496, 32485), (2670, 30368), (2847, 28480), (2848, 28470), (2920, 27768), (3120, 25988), (3471, 23360), (3504, 23140), (3560, 22776), (3796, 21360), (4160, 19491), (4272, 18980), (4380, 18512), (4628, 17520), (4672, 17355), (4745, 17088), (5340, 15184), (5694, 14240), (5696, 14235), (5785, 14016), (5840, 13884), (6240, 12994), (6497, 12480), (6942, 11680), (7008, 11570), (7120, 11388), (7592, 10680), (8544, 9490), (8760, 9256)]