279422640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55441}}^1$

素因数の和:55467

約数の個数: 120

約数和(自身を含む): 1072470048

約数和(自身を除く): 793047408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55441, 110882, 166323, 221764, 277205, 332646, 388087, 443528, 498969, 554410, 665292, 776174, 831615, 887056, 997938, 1108820, 1164261, 1330584, 1552348, 1663230, 1940435, 1995876, 2217640, 2328522, 2494845, 2661168, 3104696, 3326460, 3492783, 3880870, 3991752, 4435280, 4657044, 4989690, 5821305, 6209392, 6652920, 6985566, 7761740, 7983504, 9314088, 9979380, 11642610, 13305840, 13971132, 15523480, 17463915, 18628176, 19958760, 23285220, 27942264, 31046960, 34927830, 39917520, 46570440, 55884528, 69855660, 93140880, 139711320, 279422640]

約数ペア:

[(1, 279422640), (2, 139711320), (3, 93140880), (4, 69855660), (5, 55884528), (6, 46570440), (7, 39917520), (8, 34927830), (9, 31046960), (10, 27942264), (12, 23285220), (14, 19958760), (15, 18628176), (16, 17463915), (18, 15523480), (20, 13971132), (21, 13305840), (24, 11642610), (28, 9979380), (30, 9314088), (35, 7983504), (36, 7761740), (40, 6985566), (42, 6652920), (45, 6209392), (48, 5821305), (56, 4989690), (60, 4657044), (63, 4435280), (70, 3991752), (72, 3880870), (80, 3492783), (84, 3326460), (90, 3104696), (105, 2661168), (112, 2494845), (120, 2328522), (126, 2217640), (140, 1995876), (144, 1940435), (168, 1663230), (180, 1552348), (210, 1330584), (240, 1164261), (252, 1108820), (280, 997938), (315, 887056), (336, 831615), (360, 776174), (420, 665292), (504, 554410), (560, 498969), (630, 443528), (720, 388087), (840, 332646), (1008, 277205), (1260, 221764), (1680, 166323), (2520, 110882), (5040, 55441)]