90720136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 199180800

約数和(自身を除く): 108460664

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1481, 1612, 1976, 2356, 2962, 3224, 4712, 5924, 7657, 11848, 15314, 19253, 28139, 30628, 38506, 45911, 56278, 61256, 77012, 91822, 112556, 154024, 183644, 225112, 365807, 367288, 596843, 731614, 872309, 1193686, 1463228, 1744618, 2387372, 2926456, 3489236, 4774744, 6978472, 11340017, 22680034, 45360068, 90720136]

約数ペア:

[(1, 90720136), (2, 45360068), (4, 22680034), (8, 11340017), (13, 6978472), (19, 4774744), (26, 3489236), (31, 2926456), (38, 2387372), (52, 1744618), (62, 1463228), (76, 1193686), (104, 872309), (124, 731614), (152, 596843), (247, 367288), (248, 365807), (403, 225112), (494, 183644), (589, 154024), (806, 112556), (988, 91822), (1178, 77012), (1481, 61256), (1612, 56278), (1976, 45911), (2356, 38506), (2962, 30628), (3224, 28139), (4712, 19253), (5924, 15314), (7657, 11848)]