31291290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 88732800

約数和(自身を除く): 57441510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 435, 522, 551, 570, 631, 855, 870, 1102, 1262, 1305, 1653, 1710, 1893, 2610, 2755, 3155, 3306, 3786, 4959, 5510, 5679, 6310, 8265, 9465, 9918, 11358, 11989, 16530, 18299, 18930, 23978, 24795, 28395, 35967, 36598, 49590, 54897, 56790, 59945, 71934, 91495, 107901, 109794, 119890, 164691, 179835, 182990, 215802, 274485, 329382, 347681, 359670, 539505, 548970, 695362, 823455, 1043043, 1079010, 1646910, 1738405, 2086086, 3129129, 3476810, 5215215, 6258258, 10430430, 15645645, 31291290]

約数ペア:

[(1, 31291290), (2, 15645645), (3, 10430430), (5, 6258258), (6, 5215215), (9, 3476810), (10, 3129129), (15, 2086086), (18, 1738405), (19, 1646910), (29, 1079010), (30, 1043043), (38, 823455), (45, 695362), (57, 548970), (58, 539505), (87, 359670), (90, 347681), (95, 329382), (114, 274485), (145, 215802), (171, 182990), (174, 179835), (190, 164691), (261, 119890), (285, 109794), (290, 107901), (342, 91495), (435, 71934), (522, 59945), (551, 56790), (570, 54897), (631, 49590), (855, 36598), (870, 35967), (1102, 28395), (1262, 24795), (1305, 23978), (1653, 18930), (1710, 18299), (1893, 16530), (2610, 11989), (2755, 11358), (3155, 9918), (3306, 9465), (3786, 8265), (4959, 6310), (5510, 5679)]