31108980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4357}}^1$

素因数の和:4393

約数の個数: 96

約数和(自身を含む): 105428736

約数和(自身を除く): 74319756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4357, 7140, 8714, 13071, 17428, 21785, 26142, 30499, 43570, 52284, 60998, 65355, 74069, 87140, 91497, 121996, 130710, 148138, 152495, 182994, 222207, 261420, 296276, 304990, 365988, 370345, 444414, 457485, 518483, 609980, 740690, 888828, 914970, 1036966, 1111035, 1481380, 1555449, 1829940, 2073932, 2222070, 2592415, 3110898, 4444140, 5184830, 6221796, 7777245, 10369660, 15554490, 31108980]

約数ペア:

[(1, 31108980), (2, 15554490), (3, 10369660), (4, 7777245), (5, 6221796), (6, 5184830), (7, 4444140), (10, 3110898), (12, 2592415), (14, 2222070), (15, 2073932), (17, 1829940), (20, 1555449), (21, 1481380), (28, 1111035), (30, 1036966), (34, 914970), (35, 888828), (42, 740690), (51, 609980), (60, 518483), (68, 457485), (70, 444414), (84, 370345), (85, 365988), (102, 304990), (105, 296276), (119, 261420), (140, 222207), (170, 182994), (204, 152495), (210, 148138), (238, 130710), (255, 121996), (340, 91497), (357, 87140), (420, 74069), (476, 65355), (510, 60998), (595, 52284), (714, 43570), (1020, 30499), (1190, 26142), (1428, 21785), (1785, 17428), (2380, 13071), (3570, 8714), (4357, 7140)]