278676180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 891549120

約数和(自身を除く): 612872940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 307, 369, 410, 492, 540, 614, 615, 738, 820, 921, 1107, 1228, 1230, 1476, 1535, 1681, 1842, 1845, 2214, 2460, 2763, 3070, 3362, 3684, 3690, 4428, 4605, 5043, 5526, 5535, 6140, 6724, 7380, 8289, 8405, 9210, 10086, 11052, 11070, 12587, 13815, 15129, 16578, 16810, 18420, 20172, 22140, 25174, 25215, 27630, 30258, 33156, 33620, 37761, 41445, 45387, 50348, 50430, 55260, 60516, 62935, 75522, 75645, 82890, 90774, 100860, 113283, 125870, 151044, 151290, 165780, 181548, 188805, 226566, 226935, 251740, 302580, 339849, 377610, 453132, 453870, 516067, 566415, 679698, 755220, 907740, 1032134, 1132830, 1359396, 1548201, 1699245, 2064268, 2265660, 2580335, 3096402, 3398490, 4644603, 5160670, 6192804, 6796980, 7741005, 9289206, 10321340, 13933809, 15482010, 18578412, 23223015, 27867618, 30964020, 46446030, 55735236, 69669045, 92892060, 139338090, 278676180]

約数ペア:

[(1, 278676180), (2, 139338090), (3, 92892060), (4, 69669045), (5, 55735236), (6, 46446030), (9, 30964020), (10, 27867618), (12, 23223015), (15, 18578412), (18, 15482010), (20, 13933809), (27, 10321340), (30, 9289206), (36, 7741005), (41, 6796980), (45, 6192804), (54, 5160670), (60, 4644603), (82, 3398490), (90, 3096402), (108, 2580335), (123, 2265660), (135, 2064268), (164, 1699245), (180, 1548201), (205, 1359396), (246, 1132830), (270, 1032134), (307, 907740), (369, 755220), (410, 679698), (492, 566415), (540, 516067), (614, 453870), (615, 453132), (738, 377610), (820, 339849), (921, 302580), (1107, 251740), (1228, 226935), (1230, 226566), (1476, 188805), (1535, 181548), (1681, 165780), (1842, 151290), (1845, 151044), (2214, 125870), (2460, 113283), (2763, 100860), (3070, 90774), (3362, 82890), (3684, 75645), (3690, 75522), (4428, 62935), (4605, 60516), (5043, 55260), (5526, 50430), (5535, 50348), (6140, 45387), (6724, 41445), (7380, 37761), (8289, 33620), (8405, 33156), (9210, 30258), (10086, 27630), (11052, 25215), (11070, 25174), (12587, 22140), (13815, 20172), (15129, 18420), (16578, 16810)]