1956706960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 160

約数和(自身を含む): 5076862560

約数和(自身を除く): 3120155600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 109, 130, 164, 205, 208, 218, 260, 328, 410, 421, 436, 520, 533, 545, 656, 820, 842, 872, 1040, 1066, 1090, 1417, 1640, 1684, 1744, 2105, 2132, 2180, 2665, 2834, 3280, 3368, 4210, 4264, 4360, 4469, 5330, 5473, 5668, 6736, 7085, 8420, 8528, 8720, 8938, 10660, 10946, 11336, 14170, 16840, 17261, 17876, 21320, 21892, 22345, 22672, 27365, 28340, 33680, 34522, 35752, 42640, 43784, 44690, 45889, 54730, 56680, 58097, 69044, 71504, 86305, 87568, 89380, 91778, 109460, 113360, 116194, 138088, 172610, 178760, 183556, 218920, 224393, 229445, 232388, 276176, 290485, 345220, 357520, 367112, 437840, 448786, 458890, 464776, 580970, 596557, 690440, 734224, 897572, 917780, 929552, 1121965, 1161940, 1193114, 1380880, 1795144, 1835560, 1881449, 2243930, 2323880, 2386228, 2982785, 3590288, 3671120, 3762898, 4487860, 4647760, 4772456, 5965570, 7525796, 8975720, 9407245, 9544912, 11931140, 15051592, 17951440, 18814490, 23862280, 24458837, 30103184, 37628980, 47724560, 48917674, 75257960, 97835348, 122294185, 150515920, 195670696, 244588370, 391341392, 489176740, 978353480, 1956706960]

約数ペア:

[(1, 1956706960), (2, 978353480), (4, 489176740), (5, 391341392), (8, 244588370), (10, 195670696), (13, 150515920), (16, 122294185), (20, 97835348), (26, 75257960), (40, 48917674), (41, 47724560), (52, 37628980), (65, 30103184), (80, 24458837), (82, 23862280), (104, 18814490), (109, 17951440), (130, 15051592), (164, 11931140), (205, 9544912), (208, 9407245), (218, 8975720), (260, 7525796), (328, 5965570), (410, 4772456), (421, 4647760), (436, 4487860), (520, 3762898), (533, 3671120), (545, 3590288), (656, 2982785), (820, 2386228), (842, 2323880), (872, 2243930), (1040, 1881449), (1066, 1835560), (1090, 1795144), (1417, 1380880), (1640, 1193114), (1684, 1161940), (1744, 1121965), (2105, 929552), (2132, 917780), (2180, 897572), (2665, 734224), (2834, 690440), (3280, 596557), (3368, 580970), (4210, 464776), (4264, 458890), (4360, 448786), (4469, 437840), (5330, 367112), (5473, 357520), (5668, 345220), (6736, 290485), (7085, 276176), (8420, 232388), (8528, 229445), (8720, 224393), (8938, 218920), (10660, 183556), (10946, 178760), (11336, 172610), (14170, 138088), (16840, 116194), (17261, 113360), (17876, 109460), (21320, 91778), (21892, 89380), (22345, 87568), (22672, 86305), (27365, 71504), (28340, 69044), (33680, 58097), (34522, 56680), (35752, 54730), (42640, 45889), (43784, 44690)]