161740020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6689}}^1$

素因数の和:6745

約数の個数: 96

約数和(自身を含む): 503516160

約数和(自身を除く): 341776140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 6689, 8060, 12090, 13378, 20067, 24180, 26756, 33445, 40134, 66890, 80268, 86957, 100335, 133780, 173914, 200670, 207359, 260871, 347828, 401340, 414718, 434785, 521742, 622077, 829436, 869570, 1036795, 1043484, 1244154, 1304355, 1739140, 2073590, 2488308, 2608710, 2695667, 3110385, 4147180, 5217420, 5391334, 6220770, 8087001, 10782668, 12441540, 13478335, 16174002, 26956670, 32348004, 40435005, 53913340, 80870010, 161740020]

約数ペア:

[(1, 161740020), (2, 80870010), (3, 53913340), (4, 40435005), (5, 32348004), (6, 26956670), (10, 16174002), (12, 13478335), (13, 12441540), (15, 10782668), (20, 8087001), (26, 6220770), (30, 5391334), (31, 5217420), (39, 4147180), (52, 3110385), (60, 2695667), (62, 2608710), (65, 2488308), (78, 2073590), (93, 1739140), (124, 1304355), (130, 1244154), (155, 1043484), (156, 1036795), (186, 869570), (195, 829436), (260, 622077), (310, 521742), (372, 434785), (390, 414718), (403, 401340), (465, 347828), (620, 260871), (780, 207359), (806, 200670), (930, 173914), (1209, 133780), (1612, 100335), (1860, 86957), (2015, 80268), (2418, 66890), (4030, 40134), (4836, 33445), (6045, 26756), (6689, 24180), (8060, 20067), (12090, 13378)]