1520393980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15581}}^1$

素因数の和:15655

約数の個数: 96

約数和(自身を含む): 3958077312

約数和(自身を除く): 2437683332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 140, 164, 170, 205, 238, 287, 340, 410, 476, 574, 595, 697, 820, 1148, 1190, 1394, 1435, 2380, 2788, 2870, 3485, 4879, 5740, 6970, 9758, 13940, 15581, 19516, 24395, 31162, 48790, 62324, 77905, 97580, 109067, 155810, 218134, 264877, 311620, 436268, 529754, 545335, 638821, 1059508, 1090670, 1277642, 1324385, 1854139, 2181340, 2555284, 2648770, 3194105, 3708278, 4471747, 5297540, 6388210, 7416556, 8943494, 9270695, 10859957, 12776420, 17886988, 18541390, 21719914, 22358735, 37082780, 43439828, 44717470, 54299785, 76019699, 89434940, 108599570, 152039398, 217199140, 304078796, 380098495, 760196990, 1520393980]

約数ペア:

[(1, 1520393980), (2, 760196990), (4, 380098495), (5, 304078796), (7, 217199140), (10, 152039398), (14, 108599570), (17, 89434940), (20, 76019699), (28, 54299785), (34, 44717470), (35, 43439828), (41, 37082780), (68, 22358735), (70, 21719914), (82, 18541390), (85, 17886988), (119, 12776420), (140, 10859957), (164, 9270695), (170, 8943494), (205, 7416556), (238, 6388210), (287, 5297540), (340, 4471747), (410, 3708278), (476, 3194105), (574, 2648770), (595, 2555284), (697, 2181340), (820, 1854139), (1148, 1324385), (1190, 1277642), (1394, 1090670), (1435, 1059508), (2380, 638821), (2788, 545335), (2870, 529754), (3485, 436268), (4879, 311620), (5740, 264877), (6970, 218134), (9758, 155810), (13940, 109067), (15581, 97580), (19516, 77905), (24395, 62324), (31162, 48790)]