279897360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61381}}^1$

素因数の和:61416

約数の個数: 80

約数和(自身を含む): 913364160

約数和(自身を除く): 633466800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 61381, 122762, 184143, 245524, 306905, 368286, 491048, 613810, 736572, 920715, 982096, 1166239, 1227620, 1473144, 1841430, 2332478, 2455240, 2946288, 3498717, 3682860, 4664956, 4910480, 5831195, 6997434, 7365720, 9329912, 11662390, 13994868, 14731440, 17493585, 18659824, 23324780, 27989736, 34987170, 46649560, 55979472, 69974340, 93299120, 139948680, 279897360]

約数ペア:

[(1, 279897360), (2, 139948680), (3, 93299120), (4, 69974340), (5, 55979472), (6, 46649560), (8, 34987170), (10, 27989736), (12, 23324780), (15, 18659824), (16, 17493585), (19, 14731440), (20, 13994868), (24, 11662390), (30, 9329912), (38, 7365720), (40, 6997434), (48, 5831195), (57, 4910480), (60, 4664956), (76, 3682860), (80, 3498717), (95, 2946288), (114, 2455240), (120, 2332478), (152, 1841430), (190, 1473144), (228, 1227620), (240, 1166239), (285, 982096), (304, 920715), (380, 736572), (456, 613810), (570, 491048), (760, 368286), (912, 306905), (1140, 245524), (1520, 184143), (2280, 122762), (4560, 61381)]