221994720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4973}}^1$

素因数の和:5025

約数の個数: 144

約数和(自身を含む): 782151552

約数和(自身を除く): 560156832

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, 4960, 4973, 5580, 7440, 8928, 9946, 11160, 14880, 14919, 19892, 22320, 24865, 29838, 39784, 44640, 44757, 49730, 59676, 74595, 79568, 89514, 99460, 119352, 149190, 154163, 159136, 179028, 198920, 223785, 238704, 298380, 308326, 358056, 397840, 447570, 462489, 477408, 596760, 616652, 716112, 770815, 795680, 895140, 924978, 1193520, 1233304, 1387467, 1432224, 1541630, 1790280, 1849956, 2312445, 2387040, 2466608, 2774934, 3083260, 3580560, 3699912, 4624890, 4933216, 5549868, 6166520, 6937335, 7161120, 7399824, 9249780, 11099736, 12333040, 13874670, 14799648, 18499560, 22199472, 24666080, 27749340, 36999120, 44398944, 55498680, 73998240, 110997360, 221994720]

約数ペア:

[(1, 221994720), (2, 110997360), (3, 73998240), (4, 55498680), (5, 44398944), (6, 36999120), (8, 27749340), (9, 24666080), (10, 22199472), (12, 18499560), (15, 14799648), (16, 13874670), (18, 12333040), (20, 11099736), (24, 9249780), (30, 7399824), (31, 7161120), (32, 6937335), (36, 6166520), (40, 5549868), (45, 4933216), (48, 4624890), (60, 3699912), (62, 3580560), (72, 3083260), (80, 2774934), (90, 2466608), (93, 2387040), (96, 2312445), (120, 1849956), (124, 1790280), (144, 1541630), (155, 1432224), (160, 1387467), (180, 1233304), (186, 1193520), (240, 924978), (248, 895140), (279, 795680), (288, 770815), (310, 716112), (360, 616652), (372, 596760), (465, 477408), (480, 462489), (496, 447570), (558, 397840), (620, 358056), (720, 308326), (744, 298380), (930, 238704), (992, 223785), (1116, 198920), (1240, 179028), (1395, 159136), (1440, 154163), (1488, 149190), (1860, 119352), (2232, 99460), (2480, 89514), (2790, 79568), (2976, 74595), (3720, 59676), (4464, 49730), (4960, 44757), (4973, 44640), (5580, 39784), (7440, 29838), (8928, 24865), (9946, 22320), (11160, 19892), (14880, 14919)]