81112460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 203212800

約数和(自身を除く): 122100340

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 220, 260, 286, 316, 359, 395, 572, 715, 718, 790, 869, 1027, 1430, 1436, 1580, 1738, 1795, 2054, 2860, 3476, 3590, 3949, 4108, 4345, 4667, 5135, 7180, 7898, 8690, 9334, 10270, 11297, 15796, 17380, 18668, 19745, 20540, 22594, 23335, 28361, 39490, 45188, 46670, 51337, 56485, 56722, 78980, 93340, 102674, 112970, 113444, 141805, 205348, 225940, 256685, 283610, 311971, 368693, 513370, 567220, 623942, 737386, 1026740, 1247884, 1474772, 1559855, 1843465, 3119710, 3686930, 4055623, 6239420, 7373860, 8111246, 16222492, 20278115, 40556230, 81112460]

約数ペア:

[(1, 81112460), (2, 40556230), (4, 20278115), (5, 16222492), (10, 8111246), (11, 7373860), (13, 6239420), (20, 4055623), (22, 3686930), (26, 3119710), (44, 1843465), (52, 1559855), (55, 1474772), (65, 1247884), (79, 1026740), (110, 737386), (130, 623942), (143, 567220), (158, 513370), (220, 368693), (260, 311971), (286, 283610), (316, 256685), (359, 225940), (395, 205348), (572, 141805), (715, 113444), (718, 112970), (790, 102674), (869, 93340), (1027, 78980), (1430, 56722), (1436, 56485), (1580, 51337), (1738, 46670), (1795, 45188), (2054, 39490), (2860, 28361), (3476, 23335), (3590, 22594), (3949, 20540), (4108, 19745), (4345, 18668), (4667, 17380), (5135, 15796), (7180, 11297), (7898, 10270), (8690, 9334)]