72085780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 176795136

約数和(自身を除く): 104709356

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 340, 347, 442, 470, 611, 694, 799, 884, 940, 1105, 1222, 1388, 1598, 1735, 2210, 2444, 3055, 3196, 3470, 3995, 4420, 4511, 5899, 6110, 6940, 7990, 9022, 10387, 11798, 12220, 15980, 16309, 18044, 20774, 22555, 23596, 29495, 32618, 41548, 45110, 51935, 58990, 65236, 76687, 81545, 90220, 103870, 117980, 153374, 163090, 207740, 212017, 277253, 306748, 326180, 383435, 424034, 554506, 766870, 848068, 1060085, 1109012, 1386265, 1533740, 2120170, 2772530, 3604289, 4240340, 5545060, 7208578, 14417156, 18021445, 36042890, 72085780]

約数ペア:

[(1, 72085780), (2, 36042890), (4, 18021445), (5, 14417156), (10, 7208578), (13, 5545060), (17, 4240340), (20, 3604289), (26, 2772530), (34, 2120170), (47, 1533740), (52, 1386265), (65, 1109012), (68, 1060085), (85, 848068), (94, 766870), (130, 554506), (170, 424034), (188, 383435), (221, 326180), (235, 306748), (260, 277253), (340, 212017), (347, 207740), (442, 163090), (470, 153374), (611, 117980), (694, 103870), (799, 90220), (884, 81545), (940, 76687), (1105, 65236), (1222, 58990), (1388, 51935), (1598, 45110), (1735, 41548), (2210, 32618), (2444, 29495), (3055, 23596), (3196, 22555), (3470, 20774), (3995, 18044), (4420, 16309), (4511, 15980), (5899, 12220), (6110, 11798), (6940, 10387), (7990, 9022)]