81227580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5227}}^1$

素因数の和:5283

約数の個数: 96

約数和(自身を含む): 267004416

約数和(自身を除く): 185776836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 5227, 7770, 10454, 15540, 15681, 20908, 26135, 31362, 36589, 52270, 62724, 73178, 78405, 104540, 109767, 146356, 156810, 182945, 193399, 219534, 313620, 365890, 386798, 439068, 548835, 580197, 731780, 773596, 966995, 1097670, 1160394, 1353793, 1933990, 2195340, 2320788, 2707586, 2900985, 3867980, 4061379, 5415172, 5801970, 6768965, 8122758, 11603940, 13537930, 16245516, 20306895, 27075860, 40613790, 81227580]

約数ペア:

[(1, 81227580), (2, 40613790), (3, 27075860), (4, 20306895), (5, 16245516), (6, 13537930), (7, 11603940), (10, 8122758), (12, 6768965), (14, 5801970), (15, 5415172), (20, 4061379), (21, 3867980), (28, 2900985), (30, 2707586), (35, 2320788), (37, 2195340), (42, 1933990), (60, 1353793), (70, 1160394), (74, 1097670), (84, 966995), (105, 773596), (111, 731780), (140, 580197), (148, 548835), (185, 439068), (210, 386798), (222, 365890), (259, 313620), (370, 219534), (420, 193399), (444, 182945), (518, 156810), (555, 146356), (740, 109767), (777, 104540), (1036, 78405), (1110, 73178), (1295, 62724), (1554, 52270), (2220, 36589), (2590, 31362), (3108, 26135), (3885, 20908), (5180, 15681), (5227, 15540), (7770, 10454)]