221012640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5003

約数の個数: 144

約数和(自身を含む): 778692096

約数和(自身を除く): 557679456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4951, 4960, 5580, 7440, 8928, 9902, 11160, 14853, 14880, 19804, 22320, 24755, 29706, 39608, 44559, 44640, 49510, 59412, 74265, 79216, 89118, 99020, 118824, 148530, 153481, 158432, 178236, 198040, 222795, 237648, 297060, 306962, 356472, 396080, 445590, 460443, 475296, 594120, 613924, 712944, 767405, 792160, 891180, 920886, 1188240, 1227848, 1381329, 1425888, 1534810, 1782360, 1841772, 2302215, 2376480, 2455696, 2762658, 3069620, 3564720, 3683544, 4604430, 4911392, 5525316, 6139240, 6906645, 7129440, 7367088, 9208860, 11050632, 12278480, 13813290, 14734176, 18417720, 22101264, 24556960, 27626580, 36835440, 44202528, 55253160, 73670880, 110506320, 221012640]

約数ペア:

[(1, 221012640), (2, 110506320), (3, 73670880), (4, 55253160), (5, 44202528), (6, 36835440), (8, 27626580), (9, 24556960), (10, 22101264), (12, 18417720), (15, 14734176), (16, 13813290), (18, 12278480), (20, 11050632), (24, 9208860), (30, 7367088), (31, 7129440), (32, 6906645), (36, 6139240), (40, 5525316), (45, 4911392), (48, 4604430), (60, 3683544), (62, 3564720), (72, 3069620), (80, 2762658), (90, 2455696), (93, 2376480), (96, 2302215), (120, 1841772), (124, 1782360), (144, 1534810), (155, 1425888), (160, 1381329), (180, 1227848), (186, 1188240), (240, 920886), (248, 891180), (279, 792160), (288, 767405), (310, 712944), (360, 613924), (372, 594120), (465, 475296), (480, 460443), (496, 445590), (558, 396080), (620, 356472), (720, 306962), (744, 297060), (930, 237648), (992, 222795), (1116, 198040), (1240, 178236), (1395, 158432), (1440, 153481), (1488, 148530), (1860, 118824), (2232, 99020), (2480, 89118), (2790, 79216), (2976, 74265), (3720, 59412), (4464, 49510), (4951, 44640), (4960, 44559), (5580, 39608), (7440, 29706), (8928, 24755), (9902, 22320), (11160, 19804), (14853, 14880)]