20731443840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3299}}^1$

素因数の和:4415

約数の個数: 192

約数和(自身を含む): 71675604000

約数和(自身を除く): 50944160160

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, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1091, 1152, 1440, 1920, 2182, 2880, 3273, 3299, 4364, 5455, 5760, 6546, 6598, 8728, 9819, 9897, 10910, 13092, 13196, 16365, 16495, 17456, 19638, 19794, 21820, 26184, 26392, 29691, 32730, 32990, 34912, 39276, 39588, 43640, 49095, 49485, 52368, 52784, 59382, 65460, 65980, 69824, 78552, 79176, 87280, 98190, 98970, 104736, 105568, 118764, 130920, 131960, 139648, 148455, 157104, 158352, 174560, 196380, 197940, 209472, 211136, 237528, 261840, 263920, 296910, 314208, 316704, 349120, 392760, 395880, 418944, 422272, 475056, 523680, 527840, 593820, 628416, 633408, 698240, 785520, 791760, 950112, 1047360, 1055680, 1187640, 1256832, 1266816, 1571040, 1583520, 1900224, 2094720, 2111360, 2375280, 3142080, 3167040, 3599209, 3800448, 4750560, 6284160, 6334080, 7198418, 9501120, 10797627, 14396836, 17996045, 19002240, 21595254, 28793672, 32392881, 35992090, 43190508, 53988135, 57587344, 64785762, 71984180, 86381016, 107976270, 115174688, 129571524, 143968360, 161964405, 172762032, 215952540, 230349376, 259143048, 287936720, 323928810, 345524064, 431905080, 460698752, 518286096, 575873440, 647857620, 691048128, 863810160, 1036572192, 1151746880, 1295715240, 1382096256, 1727620320, 2073144384, 2303493760, 2591430480, 3455240640, 4146288768, 5182860960, 6910481280, 10365721920, 20731443840]

約数ペア:

[(1, 20731443840), (2, 10365721920), (3, 6910481280), (4, 5182860960), (5, 4146288768), (6, 3455240640), (8, 2591430480), (9, 2303493760), (10, 2073144384), (12, 1727620320), (15, 1382096256), (16, 1295715240), (18, 1151746880), (20, 1036572192), (24, 863810160), (30, 691048128), (32, 647857620), (36, 575873440), (40, 518286096), (45, 460698752), (48, 431905080), (60, 345524064), (64, 323928810), (72, 287936720), (80, 259143048), (90, 230349376), (96, 215952540), (120, 172762032), (128, 161964405), (144, 143968360), (160, 129571524), (180, 115174688), (192, 107976270), (240, 86381016), (288, 71984180), (320, 64785762), (360, 57587344), (384, 53988135), (480, 43190508), (576, 35992090), (640, 32392881), (720, 28793672), (960, 21595254), (1091, 19002240), (1152, 17996045), (1440, 14396836), (1920, 10797627), (2182, 9501120), (2880, 7198418), (3273, 6334080), (3299, 6284160), (4364, 4750560), (5455, 3800448), (5760, 3599209), (6546, 3167040), (6598, 3142080), (8728, 2375280), (9819, 2111360), (9897, 2094720), (10910, 1900224), (13092, 1583520), (13196, 1571040), (16365, 1266816), (16495, 1256832), (17456, 1187640), (19638, 1055680), (19794, 1047360), (21820, 950112), (26184, 791760), (26392, 785520), (29691, 698240), (32730, 633408), (32990, 628416), (34912, 593820), (39276, 527840), (39588, 523680), (43640, 475056), (49095, 422272), (49485, 418944), (52368, 395880), (52784, 392760), (59382, 349120), (65460, 316704), (65980, 314208), (69824, 296910), (78552, 263920), (79176, 261840), (87280, 237528), (98190, 211136), (98970, 209472), (104736, 197940), (105568, 196380), (118764, 174560), (130920, 158352), (131960, 157104), (139648, 148455)]