1620256440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{1439}}^1$

素因数の和:2317

約数の個数: 128

約数和(自身を含む): 5312563200

約数和(自身を除く): 3692306760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 853, 1320, 1439, 1706, 2559, 2878, 3412, 4265, 4317, 5118, 5756, 6824, 7195, 8530, 8634, 9383, 10236, 11512, 12795, 14390, 15829, 17060, 17268, 18766, 20472, 21585, 25590, 28149, 28780, 31658, 34120, 34536, 37532, 43170, 46915, 47487, 51180, 56298, 57560, 63316, 75064, 79145, 86340, 93830, 94974, 102360, 112596, 126632, 140745, 158290, 172680, 187660, 189948, 225192, 237435, 281490, 316580, 375320, 379896, 474870, 562980, 633160, 949740, 1125960, 1227467, 1899480, 2454934, 3682401, 4909868, 6137335, 7364802, 9819736, 12274670, 13502137, 14729604, 18412005, 24549340, 27004274, 29459208, 36824010, 40506411, 49098680, 54008548, 67510685, 73648020, 81012822, 108017096, 135021370, 147296040, 162025644, 202532055, 270042740, 324051288, 405064110, 540085480, 810128220, 1620256440]

約数ペア:

[(1, 1620256440), (2, 810128220), (3, 540085480), (4, 405064110), (5, 324051288), (6, 270042740), (8, 202532055), (10, 162025644), (11, 147296040), (12, 135021370), (15, 108017096), (20, 81012822), (22, 73648020), (24, 67510685), (30, 54008548), (33, 49098680), (40, 40506411), (44, 36824010), (55, 29459208), (60, 27004274), (66, 24549340), (88, 18412005), (110, 14729604), (120, 13502137), (132, 12274670), (165, 9819736), (220, 7364802), (264, 6137335), (330, 4909868), (440, 3682401), (660, 2454934), (853, 1899480), (1320, 1227467), (1439, 1125960), (1706, 949740), (2559, 633160), (2878, 562980), (3412, 474870), (4265, 379896), (4317, 375320), (5118, 316580), (5756, 281490), (6824, 237435), (7195, 225192), (8530, 189948), (8634, 187660), (9383, 172680), (10236, 158290), (11512, 140745), (12795, 126632), (14390, 112596), (15829, 102360), (17060, 94974), (17268, 93830), (18766, 86340), (20472, 79145), (21585, 75064), (25590, 63316), (28149, 57560), (28780, 56298), (31658, 51180), (34120, 47487), (34536, 46915), (37532, 43170)]