381278520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2226

約数の個数: 192

約数和(自身を含む): 1436797440

約数和(自身を除く): 1055518920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2131, 2485, 2520, 2556, 2840, 2982, 3195, 3976, 4260, 4262, 4473, 4970, 5112, 5964, 6390, 6393, 7455, 8520, 8524, 8946, 9940, 10655, 11928, 12780, 12786, 14910, 14917, 17048, 17892, 19179, 19880, 21310, 22365, 25560, 25572, 29820, 29834, 31965, 35784, 38358, 42620, 44730, 44751, 51144, 59640, 59668, 63930, 74585, 76716, 85240, 89460, 89502, 95895, 119336, 127860, 134253, 149170, 151301, 153432, 178920, 179004, 191790, 223755, 255720, 268506, 298340, 302602, 358008, 383580, 447510, 453903, 537012, 596680, 605204, 671265, 756505, 767160, 895020, 907806, 1059107, 1074024, 1210408, 1342530, 1361709, 1513010, 1790040, 1815612, 2118214, 2269515, 2685060, 2723418, 3026020, 3177321, 3631224, 4236428, 4539030, 5295535, 5370120, 5446836, 6052040, 6354642, 6808545, 8472856, 9078060, 9531963, 10591070, 10893672, 12709284, 13617090, 15886605, 18156120, 19063926, 21182140, 25418568, 27234180, 31773210, 38127852, 42364280, 47659815, 54468360, 63546420, 76255704, 95319630, 127092840, 190639260, 381278520]

約数ペア:

[(1, 381278520), (2, 190639260), (3, 127092840), (4, 95319630), (5, 76255704), (6, 63546420), (7, 54468360), (8, 47659815), (9, 42364280), (10, 38127852), (12, 31773210), (14, 27234180), (15, 25418568), (18, 21182140), (20, 19063926), (21, 18156120), (24, 15886605), (28, 13617090), (30, 12709284), (35, 10893672), (36, 10591070), (40, 9531963), (42, 9078060), (45, 8472856), (56, 6808545), (60, 6354642), (63, 6052040), (70, 5446836), (71, 5370120), (72, 5295535), (84, 4539030), (90, 4236428), (105, 3631224), (120, 3177321), (126, 3026020), (140, 2723418), (142, 2685060), (168, 2269515), (180, 2118214), (210, 1815612), (213, 1790040), (252, 1513010), (280, 1361709), (284, 1342530), (315, 1210408), (355, 1074024), (360, 1059107), (420, 907806), (426, 895020), (497, 767160), (504, 756505), (568, 671265), (630, 605204), (639, 596680), (710, 537012), (840, 453903), (852, 447510), (994, 383580), (1065, 358008), (1260, 302602), (1278, 298340), (1420, 268506), (1491, 255720), (1704, 223755), (1988, 191790), (2130, 179004), (2131, 178920), (2485, 153432), (2520, 151301), (2556, 149170), (2840, 134253), (2982, 127860), (3195, 119336), (3976, 95895), (4260, 89502), (4262, 89460), (4473, 85240), (4970, 76716), (5112, 74585), (5964, 63930), (6390, 59668), (6393, 59640), (7455, 51144), (8520, 44751), (8524, 44730), (8946, 42620), (9940, 38358), (10655, 35784), (11928, 31965), (12780, 29834), (12786, 29820), (14910, 25572), (14917, 25560), (17048, 22365), (17892, 21310), (19179, 19880)]