280759680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 192

約数和(自身を含む): 983361600

約数和(自身を除く): 702601920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 384, 395, 474, 480, 576, 617, 632, 640, 711, 720, 790, 948, 960, 1152, 1185, 1234, 1264, 1422, 1440, 1580, 1851, 1896, 1920, 2370, 2468, 2528, 2844, 2880, 3085, 3160, 3555, 3702, 3792, 4740, 4936, 5056, 5553, 5688, 5760, 6170, 6320, 7110, 7404, 7584, 9255, 9480, 9872, 10112, 11106, 11376, 12340, 12640, 14220, 14808, 15168, 18510, 18960, 19744, 22212, 22752, 24680, 25280, 27765, 28440, 29616, 30336, 37020, 37920, 39488, 44424, 45504, 48743, 49360, 50560, 55530, 56880, 59232, 74040, 75840, 78976, 88848, 91008, 97486, 98720, 111060, 113760, 118464, 146229, 148080, 151680, 177696, 194972, 197440, 222120, 227520, 236928, 243715, 292458, 296160, 355392, 389944, 394880, 438687, 444240, 455040, 487430, 584916, 592320, 710784, 731145, 779888, 877374, 888480, 974860, 1169832, 1184640, 1462290, 1559776, 1754748, 1776960, 1949720, 2193435, 2339664, 2924580, 3119552, 3509496, 3553920, 3899440, 4386870, 4679328, 5849160, 6239104, 7018992, 7798880, 8773740, 9358656, 11698320, 14037984, 15597760, 17547480, 18717312, 23396640, 28075968, 31195520, 35094960, 46793280, 56151936, 70189920, 93586560, 140379840, 280759680]

約数ペア:

[(1, 280759680), (2, 140379840), (3, 93586560), (4, 70189920), (5, 56151936), (6, 46793280), (8, 35094960), (9, 31195520), (10, 28075968), (12, 23396640), (15, 18717312), (16, 17547480), (18, 15597760), (20, 14037984), (24, 11698320), (30, 9358656), (32, 8773740), (36, 7798880), (40, 7018992), (45, 6239104), (48, 5849160), (60, 4679328), (64, 4386870), (72, 3899440), (79, 3553920), (80, 3509496), (90, 3119552), (96, 2924580), (120, 2339664), (128, 2193435), (144, 1949720), (158, 1776960), (160, 1754748), (180, 1559776), (192, 1462290), (237, 1184640), (240, 1169832), (288, 974860), (316, 888480), (320, 877374), (360, 779888), (384, 731145), (395, 710784), (474, 592320), (480, 584916), (576, 487430), (617, 455040), (632, 444240), (640, 438687), (711, 394880), (720, 389944), (790, 355392), (948, 296160), (960, 292458), (1152, 243715), (1185, 236928), (1234, 227520), (1264, 222120), (1422, 197440), (1440, 194972), (1580, 177696), (1851, 151680), (1896, 148080), (1920, 146229), (2370, 118464), (2468, 113760), (2528, 111060), (2844, 98720), (2880, 97486), (3085, 91008), (3160, 88848), (3555, 78976), (3702, 75840), (3792, 74040), (4740, 59232), (4936, 56880), (5056, 55530), (5553, 50560), (5688, 49360), (5760, 48743), (6170, 45504), (6320, 44424), (7110, 39488), (7404, 37920), (7584, 37020), (9255, 30336), (9480, 29616), (9872, 28440), (10112, 27765), (11106, 25280), (11376, 24680), (12340, 22752), (12640, 22212), (14220, 19744), (14808, 18960), (15168, 18510)]