86805680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 153178960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 80, 92, 95, 104, 115, 130, 152, 184, 190, 191, 208, 230, 247, 260, 299, 304, 368, 380, 382, 437, 460, 494, 520, 598, 760, 764, 874, 920, 955, 988, 1040, 1196, 1235, 1495, 1520, 1528, 1748, 1840, 1910, 1976, 2185, 2392, 2470, 2483, 2990, 3056, 3496, 3629, 3820, 3952, 4370, 4393, 4784, 4940, 4966, 5681, 5980, 6992, 7258, 7640, 8740, 8786, 9880, 9932, 11362, 11960, 12415, 14516, 15280, 17480, 17572, 18145, 19760, 19864, 21965, 22724, 23920, 24830, 28405, 29032, 34960, 35144, 36290, 39728, 43930, 45448, 47177, 49660, 56810, 57109, 58064, 70288, 72580, 83467, 87860, 90896, 94354, 99320, 113620, 114218, 145160, 166934, 175720, 188708, 198640, 227240, 228436, 235885, 285545, 290320, 333868, 351440, 377416, 417335, 454480, 456872, 471770, 571090, 667736, 754832, 834670, 913744, 943540, 1085071, 1142180, 1335472, 1669340, 1887080, 2170142, 2284360, 3338680, 3774160, 4340284, 4568720, 5425355, 6677360, 8680568, 10850710, 17361136, 21701420, 43402840, 86805680]

約数ペア:

[(1, 86805680), (2, 43402840), (4, 21701420), (5, 17361136), (8, 10850710), (10, 8680568), (13, 6677360), (16, 5425355), (19, 4568720), (20, 4340284), (23, 3774160), (26, 3338680), (38, 2284360), (40, 2170142), (46, 1887080), (52, 1669340), (65, 1335472), (76, 1142180), (80, 1085071), (92, 943540), (95, 913744), (104, 834670), (115, 754832), (130, 667736), (152, 571090), (184, 471770), (190, 456872), (191, 454480), (208, 417335), (230, 377416), (247, 351440), (260, 333868), (299, 290320), (304, 285545), (368, 235885), (380, 228436), (382, 227240), (437, 198640), (460, 188708), (494, 175720), (520, 166934), (598, 145160), (760, 114218), (764, 113620), (874, 99320), (920, 94354), (955, 90896), (988, 87860), (1040, 83467), (1196, 72580), (1235, 70288), (1495, 58064), (1520, 57109), (1528, 56810), (1748, 49660), (1840, 47177), (1910, 45448), (1976, 43930), (2185, 39728), (2392, 36290), (2470, 35144), (2483, 34960), (2990, 29032), (3056, 28405), (3496, 24830), (3629, 23920), (3820, 22724), (3952, 21965), (4370, 19864), (4393, 19760), (4784, 18145), (4940, 17572), (4966, 17480), (5681, 15280), (5980, 14516), (6992, 12415), (7258, 11960), (7640, 11362), (8740, 9932), (8786, 9880)]