128240816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 284981760

約数和(自身を除く): 156740944

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 47, 74, 88, 94, 148, 176, 188, 296, 376, 407, 419, 517, 592, 752, 814, 838, 1034, 1628, 1676, 1739, 2068, 3256, 3352, 3478, 4136, 4609, 6512, 6704, 6956, 8272, 9218, 13912, 15503, 18436, 19129, 19693, 27824, 31006, 36872, 38258, 39386, 62012, 73744, 76516, 78772, 124024, 153032, 157544, 170533, 216623, 248048, 306064, 315088, 341066, 433246, 682132, 728641, 866492, 1364264, 1457282, 1732984, 2728528, 2914564, 3465968, 5829128, 8015051, 11658256, 16030102, 32060204, 64120408, 128240816]

約数ペア:

[(1, 128240816), (2, 64120408), (4, 32060204), (8, 16030102), (11, 11658256), (16, 8015051), (22, 5829128), (37, 3465968), (44, 2914564), (47, 2728528), (74, 1732984), (88, 1457282), (94, 1364264), (148, 866492), (176, 728641), (188, 682132), (296, 433246), (376, 341066), (407, 315088), (419, 306064), (517, 248048), (592, 216623), (752, 170533), (814, 157544), (838, 153032), (1034, 124024), (1628, 78772), (1676, 76516), (1739, 73744), (2068, 62012), (3256, 39386), (3352, 38258), (3478, 36872), (4136, 31006), (4609, 27824), (6512, 19693), (6704, 19129), (6956, 18436), (8272, 15503), (9218, 13912)]