661440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:86

約数の個数: 112

約数和(自身を含む): 2304288

約数和(自身を除く): 1642848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 53, 60, 64, 65, 78, 80, 96, 104, 106, 120, 130, 156, 159, 160, 192, 195, 208, 212, 240, 260, 265, 312, 318, 320, 390, 416, 424, 480, 520, 530, 624, 636, 689, 780, 795, 832, 848, 960, 1040, 1060, 1248, 1272, 1378, 1560, 1590, 1696, 2067, 2080, 2120, 2496, 2544, 2756, 3120, 3180, 3392, 3445, 4134, 4160, 4240, 5088, 5512, 6240, 6360, 6890, 8268, 8480, 10176, 10335, 11024, 12480, 12720, 13780, 16536, 16960, 20670, 22048, 25440, 27560, 33072, 41340, 44096, 50880, 55120, 66144, 82680, 110240, 132288, 165360, 220480, 330720, 661440]

約数ペア:

[(1, 661440), (2, 330720), (3, 220480), (4, 165360), (5, 132288), (6, 110240), (8, 82680), (10, 66144), (12, 55120), (13, 50880), (15, 44096), (16, 41340), (20, 33072), (24, 27560), (26, 25440), (30, 22048), (32, 20670), (39, 16960), (40, 16536), (48, 13780), (52, 12720), (53, 12480), (60, 11024), (64, 10335), (65, 10176), (78, 8480), (80, 8268), (96, 6890), (104, 6360), (106, 6240), (120, 5512), (130, 5088), (156, 4240), (159, 4160), (160, 4134), (192, 3445), (195, 3392), (208, 3180), (212, 3120), (240, 2756), (260, 2544), (265, 2496), (312, 2120), (318, 2080), (320, 2067), (390, 1696), (416, 1590), (424, 1560), (480, 1378), (520, 1272), (530, 1248), (624, 1060), (636, 1040), (689, 960), (780, 848), (795, 832)]