180731824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 435597120

約数和(自身を除く): 254865296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 101, 104, 112, 182, 202, 208, 364, 404, 707, 728, 808, 1229, 1313, 1414, 1456, 1616, 2458, 2626, 2828, 4916, 5252, 5656, 8603, 9191, 9832, 10504, 11312, 15977, 17206, 18382, 19664, 21008, 31954, 34412, 36764, 63908, 68824, 73528, 111839, 124129, 127816, 137648, 147056, 223678, 248258, 255632, 447356, 496516, 868903, 894712, 993032, 1613677, 1737806, 1789424, 1986064, 3227354, 3475612, 6454708, 6951224, 11295739, 12909416, 13902448, 22591478, 25818832, 45182956, 90365912, 180731824]

約数ペア:

[(1, 180731824), (2, 90365912), (4, 45182956), (7, 25818832), (8, 22591478), (13, 13902448), (14, 12909416), (16, 11295739), (26, 6951224), (28, 6454708), (52, 3475612), (56, 3227354), (91, 1986064), (101, 1789424), (104, 1737806), (112, 1613677), (182, 993032), (202, 894712), (208, 868903), (364, 496516), (404, 447356), (707, 255632), (728, 248258), (808, 223678), (1229, 147056), (1313, 137648), (1414, 127816), (1456, 124129), (1616, 111839), (2458, 73528), (2626, 68824), (2828, 63908), (4916, 36764), (5252, 34412), (5656, 31954), (8603, 21008), (9191, 19664), (9832, 18382), (10504, 17206), (11312, 15977)]