1788720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 5758560

約数和(自身を除く): 3969840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 257, 290, 348, 435, 464, 514, 580, 696, 771, 870, 1028, 1160, 1285, 1392, 1542, 1740, 2056, 2320, 2570, 3084, 3480, 3855, 4112, 5140, 6168, 6960, 7453, 7710, 10280, 12336, 14906, 15420, 20560, 22359, 29812, 30840, 37265, 44718, 59624, 61680, 74530, 89436, 111795, 119248, 149060, 178872, 223590, 298120, 357744, 447180, 596240, 894360, 1788720]

約数ペア:

[(1, 1788720), (2, 894360), (3, 596240), (4, 447180), (5, 357744), (6, 298120), (8, 223590), (10, 178872), (12, 149060), (15, 119248), (16, 111795), (20, 89436), (24, 74530), (29, 61680), (30, 59624), (40, 44718), (48, 37265), (58, 30840), (60, 29812), (80, 22359), (87, 20560), (116, 15420), (120, 14906), (145, 12336), (174, 10280), (232, 7710), (240, 7453), (257, 6960), (290, 6168), (348, 5140), (435, 4112), (464, 3855), (514, 3480), (580, 3084), (696, 2570), (771, 2320), (870, 2056), (1028, 1740), (1160, 1542), (1285, 1392)]