640674240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 224

約数和(自身を含む): 2214091584

約数和(自身を除く): 1573417344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 136, 148, 160, 170, 185, 192, 204, 222, 240, 255, 272, 296, 320, 340, 370, 408, 444, 480, 510, 544, 555, 592, 629, 680, 740, 816, 888, 960, 1020, 1061, 1088, 1110, 1184, 1258, 1360, 1480, 1632, 1776, 1887, 2040, 2122, 2220, 2368, 2516, 2720, 2960, 3145, 3183, 3264, 3552, 3774, 4080, 4244, 4440, 5032, 5305, 5440, 5920, 6290, 6366, 7104, 7548, 8160, 8488, 8880, 9435, 10064, 10610, 11840, 12580, 12732, 15096, 15915, 16320, 16976, 17760, 18037, 18870, 20128, 21220, 25160, 25464, 30192, 31830, 33952, 35520, 36074, 37740, 39257, 40256, 42440, 50320, 50928, 54111, 60384, 63660, 67904, 72148, 75480, 78514, 84880, 90185, 100640, 101856, 108222, 117771, 120768, 127320, 144296, 150960, 157028, 169760, 180370, 196285, 201280, 203712, 216444, 235542, 254640, 270555, 288592, 301920, 314056, 339520, 360740, 392570, 432888, 471084, 509280, 541110, 577184, 588855, 603840, 628112, 667369, 721480, 785140, 865776, 942168, 1018560, 1082220, 1154368, 1177710, 1256224, 1334738, 1442960, 1570280, 1731552, 1884336, 2002107, 2164440, 2355420, 2512448, 2669476, 2885920, 3140560, 3336845, 3463104, 3768672, 4004214, 4328880, 4710840, 5338952, 5771840, 6281120, 6673690, 7537344, 8008428, 8657760, 9421680, 10010535, 10677904, 12562240, 13347380, 16016856, 17315520, 18843360, 20021070, 21355808, 26694760, 32033712, 37686720, 40042140, 42711616, 53389520, 64067424, 80084280, 106779040, 128134848, 160168560, 213558080, 320337120, 640674240]

約数ペア:

[(1, 640674240), (2, 320337120), (3, 213558080), (4, 160168560), (5, 128134848), (6, 106779040), (8, 80084280), (10, 64067424), (12, 53389520), (15, 42711616), (16, 40042140), (17, 37686720), (20, 32033712), (24, 26694760), (30, 21355808), (32, 20021070), (34, 18843360), (37, 17315520), (40, 16016856), (48, 13347380), (51, 12562240), (60, 10677904), (64, 10010535), (68, 9421680), (74, 8657760), (80, 8008428), (85, 7537344), (96, 6673690), (102, 6281120), (111, 5771840), (120, 5338952), (136, 4710840), (148, 4328880), (160, 4004214), (170, 3768672), (185, 3463104), (192, 3336845), (204, 3140560), (222, 2885920), (240, 2669476), (255, 2512448), (272, 2355420), (296, 2164440), (320, 2002107), (340, 1884336), (370, 1731552), (408, 1570280), (444, 1442960), (480, 1334738), (510, 1256224), (544, 1177710), (555, 1154368), (592, 1082220), (629, 1018560), (680, 942168), (740, 865776), (816, 785140), (888, 721480), (960, 667369), (1020, 628112), (1061, 603840), (1088, 588855), (1110, 577184), (1184, 541110), (1258, 509280), (1360, 471084), (1480, 432888), (1632, 392570), (1776, 360740), (1887, 339520), (2040, 314056), (2122, 301920), (2220, 288592), (2368, 270555), (2516, 254640), (2720, 235542), (2960, 216444), (3145, 203712), (3183, 201280), (3264, 196285), (3552, 180370), (3774, 169760), (4080, 157028), (4244, 150960), (4440, 144296), (5032, 127320), (5305, 120768), (5440, 117771), (5920, 108222), (6290, 101856), (6366, 100640), (7104, 90185), (7548, 84880), (8160, 78514), (8488, 75480), (8880, 72148), (9435, 67904), (10064, 63660), (10610, 60384), (11840, 54111), (12580, 50928), (12732, 50320), (15096, 42440), (15915, 40256), (16320, 39257), (16976, 37740), (17760, 36074), (18037, 35520), (18870, 33952), (20128, 31830), (21220, 30192), (25160, 25464)]