31325490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2656

約数の個数: 96

約数和(自身を含む): 98017920

約数和(自身を除く): 66692430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 2617, 3990, 5234, 5985, 7851, 11970, 13085, 15702, 18319, 23553, 26170, 36638, 39255, 47106, 49723, 54957, 78510, 91595, 99446, 109914, 117765, 149169, 164871, 183190, 235530, 248615, 274785, 298338, 329742, 348061, 447507, 497230, 549570, 696122, 745845, 824355, 895014, 1044183, 1491690, 1648710, 1740305, 2088366, 2237535, 3132549, 3480610, 4475070, 5220915, 6265098, 10441830, 15662745, 31325490]

約数ペア:

[(1, 31325490), (2, 15662745), (3, 10441830), (5, 6265098), (6, 5220915), (7, 4475070), (9, 3480610), (10, 3132549), (14, 2237535), (15, 2088366), (18, 1740305), (19, 1648710), (21, 1491690), (30, 1044183), (35, 895014), (38, 824355), (42, 745845), (45, 696122), (57, 549570), (63, 497230), (70, 447507), (90, 348061), (95, 329742), (105, 298338), (114, 274785), (126, 248615), (133, 235530), (171, 183190), (190, 164871), (210, 149169), (266, 117765), (285, 109914), (315, 99446), (342, 91595), (399, 78510), (570, 54957), (630, 49723), (665, 47106), (798, 39255), (855, 36638), (1197, 26170), (1330, 23553), (1710, 18319), (1995, 15702), (2394, 13085), (2617, 11970), (3990, 7851), (5234, 5985)]