221792640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1720

約数の個数: 128

約数和(自身を含む): 717361920

約数和(自身を除く): 495569280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 960, 1065, 1136, 1420, 1627, 1704, 1920, 2130, 2272, 2840, 3254, 3408, 4260, 4544, 4881, 5680, 6508, 6816, 8135, 8520, 9088, 9762, 11360, 13016, 13632, 16270, 17040, 19524, 22720, 24405, 26032, 27264, 32540, 34080, 39048, 45440, 48810, 52064, 65080, 68160, 78096, 97620, 104128, 115517, 130160, 136320, 156192, 195240, 208256, 231034, 260320, 312384, 346551, 390480, 462068, 520640, 577585, 624768, 693102, 780960, 924136, 1041280, 1155170, 1386204, 1561920, 1732755, 1848272, 2310340, 2772408, 3123840, 3465510, 3696544, 4620680, 5544816, 6931020, 7393088, 9241360, 11089632, 13862040, 14786176, 18482720, 22179264, 27724080, 36965440, 44358528, 55448160, 73930880, 110896320, 221792640]

約数ペア:

[(1, 221792640), (2, 110896320), (3, 73930880), (4, 55448160), (5, 44358528), (6, 36965440), (8, 27724080), (10, 22179264), (12, 18482720), (15, 14786176), (16, 13862040), (20, 11089632), (24, 9241360), (30, 7393088), (32, 6931020), (40, 5544816), (48, 4620680), (60, 3696544), (64, 3465510), (71, 3123840), (80, 2772408), (96, 2310340), (120, 1848272), (128, 1732755), (142, 1561920), (160, 1386204), (192, 1155170), (213, 1041280), (240, 924136), (284, 780960), (320, 693102), (355, 624768), (384, 577585), (426, 520640), (480, 462068), (568, 390480), (640, 346551), (710, 312384), (852, 260320), (960, 231034), (1065, 208256), (1136, 195240), (1420, 156192), (1627, 136320), (1704, 130160), (1920, 115517), (2130, 104128), (2272, 97620), (2840, 78096), (3254, 68160), (3408, 65080), (4260, 52064), (4544, 48810), (4881, 45440), (5680, 39048), (6508, 34080), (6816, 32540), (8135, 27264), (8520, 26032), (9088, 24405), (9762, 22720), (11360, 19524), (13016, 17040), (13632, 16270)]