279945240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 889920000

約数和(自身を除く): 609974760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 456, 570, 597, 617, 760, 796, 995, 1140, 1194, 1234, 1592, 1851, 1990, 2280, 2388, 2468, 2985, 3085, 3702, 3781, 3980, 4776, 4936, 5970, 6170, 7404, 7562, 7960, 9255, 11343, 11723, 11940, 12340, 14808, 15124, 18510, 18905, 22686, 23446, 23880, 24680, 30248, 35169, 37020, 37810, 45372, 46892, 56715, 58615, 70338, 74040, 75620, 90744, 93784, 113430, 117230, 122783, 140676, 151240, 175845, 226860, 234460, 245566, 281352, 351690, 368349, 453720, 468920, 491132, 613915, 703380, 736698, 982264, 1227830, 1406760, 1473396, 1841745, 2332877, 2455660, 2946792, 3683490, 4665754, 4911320, 6998631, 7366980, 9331508, 11664385, 13997262, 14733960, 18663016, 23328770, 27994524, 34993155, 46657540, 55989048, 69986310, 93315080, 139972620, 279945240]

約数ペア:

[(1, 279945240), (2, 139972620), (3, 93315080), (4, 69986310), (5, 55989048), (6, 46657540), (8, 34993155), (10, 27994524), (12, 23328770), (15, 18663016), (19, 14733960), (20, 13997262), (24, 11664385), (30, 9331508), (38, 7366980), (40, 6998631), (57, 4911320), (60, 4665754), (76, 3683490), (95, 2946792), (114, 2455660), (120, 2332877), (152, 1841745), (190, 1473396), (199, 1406760), (228, 1227830), (285, 982264), (380, 736698), (398, 703380), (456, 613915), (570, 491132), (597, 468920), (617, 453720), (760, 368349), (796, 351690), (995, 281352), (1140, 245566), (1194, 234460), (1234, 226860), (1592, 175845), (1851, 151240), (1990, 140676), (2280, 122783), (2388, 117230), (2468, 113430), (2985, 93784), (3085, 90744), (3702, 75620), (3781, 74040), (3980, 70338), (4776, 58615), (4936, 56715), (5970, 46892), (6170, 45372), (7404, 37810), (7562, 37020), (7960, 35169), (9255, 30248), (11343, 24680), (11723, 23880), (11940, 23446), (12340, 22686), (14808, 18905), (15124, 18510)]