820550880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7213}}^1$

素因数の和:7313

約数の個数: 144

約数和(自身を含む): 2835967680

約数和(自身を除く): 2015416800

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, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1440, 1580, 1896, 2370, 2528, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 7213, 7584, 9480, 11376, 12640, 14220, 14426, 18960, 21639, 22752, 28440, 28852, 36065, 37920, 43278, 56880, 57704, 64917, 72130, 86556, 108195, 113760, 115408, 129834, 144260, 173112, 216390, 230816, 259668, 288520, 324585, 346224, 432780, 519336, 569827, 577040, 649170, 692448, 865560, 1038672, 1139654, 1154080, 1298340, 1709481, 1731120, 2077344, 2279308, 2596680, 2849135, 3418962, 3462240, 4558616, 5128443, 5193360, 5698270, 6837924, 8547405, 9117232, 10256886, 10386720, 11396540, 13675848, 17094810, 18234464, 20513772, 22793080, 25642215, 27351696, 34189620, 41027544, 45586160, 51284430, 54703392, 68379240, 82055088, 91172320, 102568860, 136758480, 164110176, 205137720, 273516960, 410275440, 820550880]

約数ペア:

[(1, 820550880), (2, 410275440), (3, 273516960), (4, 205137720), (5, 164110176), (6, 136758480), (8, 102568860), (9, 91172320), (10, 82055088), (12, 68379240), (15, 54703392), (16, 51284430), (18, 45586160), (20, 41027544), (24, 34189620), (30, 27351696), (32, 25642215), (36, 22793080), (40, 20513772), (45, 18234464), (48, 17094810), (60, 13675848), (72, 11396540), (79, 10386720), (80, 10256886), (90, 9117232), (96, 8547405), (120, 6837924), (144, 5698270), (158, 5193360), (160, 5128443), (180, 4558616), (237, 3462240), (240, 3418962), (288, 2849135), (316, 2596680), (360, 2279308), (395, 2077344), (474, 1731120), (480, 1709481), (632, 1298340), (711, 1154080), (720, 1139654), (790, 1038672), (948, 865560), (1185, 692448), (1264, 649170), (1422, 577040), (1440, 569827), (1580, 519336), (1896, 432780), (2370, 346224), (2528, 324585), (2844, 288520), (3160, 259668), (3555, 230816), (3792, 216390), (4740, 173112), (5688, 144260), (6320, 129834), (7110, 115408), (7213, 113760), (7584, 108195), (9480, 86556), (11376, 72130), (12640, 64917), (14220, 57704), (14426, 56880), (18960, 43278), (21639, 37920), (22752, 36065), (28440, 28852)]