221308620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1879}}^1$

素因数の和:2055

約数の個数: 96

約数和(自身を含む): 672107520

約数和(自身を除く): 450798900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 151, 156, 195, 260, 302, 390, 453, 604, 755, 780, 906, 1510, 1812, 1879, 1963, 2265, 3020, 3758, 3926, 4530, 5637, 5889, 7516, 7852, 9060, 9395, 9815, 11274, 11778, 18790, 19630, 22548, 23556, 24427, 28185, 29445, 37580, 39260, 48854, 56370, 58890, 73281, 97708, 112740, 117780, 122135, 146562, 244270, 283729, 293124, 366405, 488540, 567458, 732810, 851187, 1134916, 1418645, 1465620, 1702374, 2837290, 3404748, 3688477, 4255935, 5674580, 7376954, 8511870, 11065431, 14753908, 17023740, 18442385, 22130862, 36884770, 44261724, 55327155, 73769540, 110654310, 221308620]

約数ペア:

[(1, 221308620), (2, 110654310), (3, 73769540), (4, 55327155), (5, 44261724), (6, 36884770), (10, 22130862), (12, 18442385), (13, 17023740), (15, 14753908), (20, 11065431), (26, 8511870), (30, 7376954), (39, 5674580), (52, 4255935), (60, 3688477), (65, 3404748), (78, 2837290), (130, 1702374), (151, 1465620), (156, 1418645), (195, 1134916), (260, 851187), (302, 732810), (390, 567458), (453, 488540), (604, 366405), (755, 293124), (780, 283729), (906, 244270), (1510, 146562), (1812, 122135), (1879, 117780), (1963, 112740), (2265, 97708), (3020, 73281), (3758, 58890), (3926, 56370), (4530, 48854), (5637, 39260), (5889, 37580), (7516, 29445), (7852, 28185), (9060, 24427), (9395, 23556), (9815, 22548), (11274, 19630), (11778, 18790)]