1257360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 4356864

約数和(自身を除く): 3099504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 208, 240, 248, 260, 310, 312, 338, 372, 390, 403, 465, 496, 507, 520, 620, 624, 676, 744, 780, 806, 845, 930, 1014, 1040, 1209, 1240, 1352, 1488, 1560, 1612, 1690, 1860, 2015, 2028, 2418, 2480, 2535, 2704, 3120, 3224, 3380, 3720, 4030, 4056, 4836, 5070, 5239, 6045, 6448, 6760, 7440, 8060, 8112, 9672, 10140, 10478, 12090, 13520, 15717, 16120, 19344, 20280, 20956, 24180, 26195, 31434, 32240, 40560, 41912, 48360, 52390, 62868, 78585, 83824, 96720, 104780, 125736, 157170, 209560, 251472, 314340, 419120, 628680, 1257360]

約数ペア:

[(1, 1257360), (2, 628680), (3, 419120), (4, 314340), (5, 251472), (6, 209560), (8, 157170), (10, 125736), (12, 104780), (13, 96720), (15, 83824), (16, 78585), (20, 62868), (24, 52390), (26, 48360), (30, 41912), (31, 40560), (39, 32240), (40, 31434), (48, 26195), (52, 24180), (60, 20956), (62, 20280), (65, 19344), (78, 16120), (80, 15717), (93, 13520), (104, 12090), (120, 10478), (124, 10140), (130, 9672), (155, 8112), (156, 8060), (169, 7440), (186, 6760), (195, 6448), (208, 6045), (240, 5239), (248, 5070), (260, 4836), (310, 4056), (312, 4030), (338, 3720), (372, 3380), (390, 3224), (403, 3120), (465, 2704), (496, 2535), (507, 2480), (520, 2418), (620, 2028), (624, 2015), (676, 1860), (744, 1690), (780, 1612), (806, 1560), (845, 1488), (930, 1352), (1014, 1240), (1040, 1209)]