690827440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2798

約数の個数: 80

約数和(自身を含む): 1663929216

約数和(自身を除く): 973101776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 848, 976, 1060, 1220, 2120, 2440, 2671, 3233, 4240, 4880, 5342, 6466, 10684, 12932, 13355, 16165, 21368, 25864, 26710, 32330, 42736, 51728, 53420, 64660, 106840, 129320, 141563, 162931, 213680, 258640, 283126, 325862, 566252, 651724, 707815, 814655, 1132504, 1303448, 1415630, 1629310, 2265008, 2606896, 2831260, 3258620, 5662520, 6517240, 8635343, 11325040, 13034480, 17270686, 34541372, 43176715, 69082744, 86353430, 138165488, 172706860, 345413720, 690827440]

約数ペア:

[(1, 690827440), (2, 345413720), (4, 172706860), (5, 138165488), (8, 86353430), (10, 69082744), (16, 43176715), (20, 34541372), (40, 17270686), (53, 13034480), (61, 11325040), (80, 8635343), (106, 6517240), (122, 5662520), (212, 3258620), (244, 2831260), (265, 2606896), (305, 2265008), (424, 1629310), (488, 1415630), (530, 1303448), (610, 1132504), (848, 814655), (976, 707815), (1060, 651724), (1220, 566252), (2120, 325862), (2440, 283126), (2671, 258640), (3233, 213680), (4240, 162931), (4880, 141563), (5342, 129320), (6466, 106840), (10684, 64660), (12932, 53420), (13355, 51728), (16165, 42736), (21368, 32330), (25864, 26710)]