21036271440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^2\times {\mathrm{3299}}^1$

素因数の和:3641

約数の個数: 120

約数和(自身を含む): 65634861600

約数和(自身を除く): 44598590160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 2608, 3260, 3299, 3912, 4890, 6520, 6598, 7824, 9780, 9897, 13040, 13196, 16495, 19560, 19794, 26392, 26569, 32990, 39120, 39588, 49485, 52784, 53138, 65980, 79176, 79707, 98970, 106276, 131960, 132845, 158352, 159414, 197940, 212552, 263920, 265690, 318828, 395880, 398535, 425104, 531380, 537737, 637656, 791760, 797070, 1062760, 1075474, 1275312, 1594140, 1613211, 2125520, 2150948, 2688685, 3188280, 3226422, 4301896, 5377370, 6376560, 6452844, 8066055, 8603792, 10754740, 12905688, 16132110, 21509480, 25811376, 32264220, 43018960, 64528440, 87651131, 129056880, 175302262, 262953393, 350604524, 438255655, 525906786, 701209048, 876511310, 1051813572, 1314766965, 1402418096, 1753022620, 2103627144, 2629533930, 3506045240, 4207254288, 5259067860, 7012090480, 10518135720, 21036271440]

約数ペア:

[(1, 21036271440), (2, 10518135720), (3, 7012090480), (4, 5259067860), (5, 4207254288), (6, 3506045240), (8, 2629533930), (10, 2103627144), (12, 1753022620), (15, 1402418096), (16, 1314766965), (20, 1051813572), (24, 876511310), (30, 701209048), (40, 525906786), (48, 438255655), (60, 350604524), (80, 262953393), (120, 175302262), (163, 129056880), (240, 87651131), (326, 64528440), (489, 43018960), (652, 32264220), (815, 25811376), (978, 21509480), (1304, 16132110), (1630, 12905688), (1956, 10754740), (2445, 8603792), (2608, 8066055), (3260, 6452844), (3299, 6376560), (3912, 5377370), (4890, 4301896), (6520, 3226422), (6598, 3188280), (7824, 2688685), (9780, 2150948), (9897, 2125520), (13040, 1613211), (13196, 1594140), (16495, 1275312), (19560, 1075474), (19794, 1062760), (26392, 797070), (26569, 791760), (32990, 637656), (39120, 537737), (39588, 531380), (49485, 425104), (52784, 398535), (53138, 395880), (65980, 318828), (79176, 265690), (79707, 263920), (98970, 212552), (106276, 197940), (131960, 159414), (132845, 158352)]