139451640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 454809600

約数和(自身を除く): 315357960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 1973, 2280, 2356, 2945, 3534, 3720, 3946, 4712, 5890, 5919, 7068, 7892, 8835, 9865, 11780, 11838, 14136, 15784, 17670, 19730, 23560, 23676, 29595, 35340, 37487, 39460, 47352, 59190, 61163, 70680, 74974, 78920, 112461, 118380, 122326, 149948, 183489, 187435, 224922, 236760, 244652, 299896, 305815, 366978, 374870, 449844, 489304, 562305, 611630, 733956, 749740, 899688, 917445, 1124610, 1162097, 1223260, 1467912, 1499480, 1834890, 2249220, 2324194, 2446520, 3486291, 3669780, 4498440, 4648388, 5810485, 6972582, 7339560, 9296776, 11620970, 13945164, 17431455, 23241940, 27890328, 34862910, 46483880, 69725820, 139451640]

約数ペア:

[(1, 139451640), (2, 69725820), (3, 46483880), (4, 34862910), (5, 27890328), (6, 23241940), (8, 17431455), (10, 13945164), (12, 11620970), (15, 9296776), (19, 7339560), (20, 6972582), (24, 5810485), (30, 4648388), (31, 4498440), (38, 3669780), (40, 3486291), (57, 2446520), (60, 2324194), (62, 2249220), (76, 1834890), (93, 1499480), (95, 1467912), (114, 1223260), (120, 1162097), (124, 1124610), (152, 917445), (155, 899688), (186, 749740), (190, 733956), (228, 611630), (248, 562305), (285, 489304), (310, 449844), (372, 374870), (380, 366978), (456, 305815), (465, 299896), (570, 244652), (589, 236760), (620, 224922), (744, 187435), (760, 183489), (930, 149948), (1140, 122326), (1178, 118380), (1240, 112461), (1767, 78920), (1860, 74974), (1973, 70680), (2280, 61163), (2356, 59190), (2945, 47352), (3534, 39460), (3720, 37487), (3946, 35340), (4712, 29595), (5890, 23676), (5919, 23560), (7068, 19730), (7892, 17670), (8835, 15784), (9865, 14136), (11780, 11838)]