870480

素因数分解:

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

素因数の和:66

約数の個数: 160

約数和(自身を含む): 3333120

約数和(自身を除く): 2462640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 432, 465, 468, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 780, 806, 837, 930, 936, 1040, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1488, 1560, 1612, 1674, 1755, 1860, 1872, 2015, 2160, 2232, 2340, 2418, 2480, 2790, 2808, 3120, 3224, 3348, 3510, 3627, 3720, 4030, 4185, 4464, 4680, 4836, 5580, 5616, 6045, 6448, 6696, 7020, 7254, 7440, 8060, 8370, 9360, 9672, 10881, 11160, 12090, 13392, 14040, 14508, 16120, 16740, 18135, 19344, 21762, 22320, 24180, 28080, 29016, 32240, 33480, 36270, 43524, 48360, 54405, 58032, 66960, 72540, 87048, 96720, 108810, 145080, 174096, 217620, 290160, 435240, 870480]

約数ペア:

[(1, 870480), (2, 435240), (3, 290160), (4, 217620), (5, 174096), (6, 145080), (8, 108810), (9, 96720), (10, 87048), (12, 72540), (13, 66960), (15, 58032), (16, 54405), (18, 48360), (20, 43524), (24, 36270), (26, 33480), (27, 32240), (30, 29016), (31, 28080), (36, 24180), (39, 22320), (40, 21762), (45, 19344), (48, 18135), (52, 16740), (54, 16120), (60, 14508), (62, 14040), (65, 13392), (72, 12090), (78, 11160), (80, 10881), (90, 9672), (93, 9360), (104, 8370), (108, 8060), (117, 7440), (120, 7254), (124, 7020), (130, 6696), (135, 6448), (144, 6045), (155, 5616), (156, 5580), (180, 4836), (186, 4680), (195, 4464), (208, 4185), (216, 4030), (234, 3720), (240, 3627), (248, 3510), (260, 3348), (270, 3224), (279, 3120), (310, 2808), (312, 2790), (351, 2480), (360, 2418), (372, 2340), (390, 2232), (403, 2160), (432, 2015), (465, 1872), (468, 1860), (496, 1755), (520, 1674), (540, 1612), (558, 1560), (585, 1488), (620, 1404), (624, 1395), (702, 1240), (720, 1209), (744, 1170), (780, 1116), (806, 1080), (837, 1040), (930, 936)]