12817420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 36197280

約数和(自身を除く): 23379860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 41, 44, 49, 55, 58, 70, 77, 82, 98, 110, 116, 140, 145, 154, 164, 196, 203, 205, 220, 245, 287, 290, 308, 319, 385, 406, 410, 451, 490, 539, 574, 580, 638, 770, 812, 820, 902, 980, 1015, 1078, 1148, 1189, 1276, 1421, 1435, 1540, 1595, 1804, 2009, 2030, 2156, 2233, 2255, 2378, 2695, 2842, 2870, 3157, 3190, 4018, 4060, 4466, 4510, 4756, 5390, 5684, 5740, 5945, 6314, 6380, 7105, 8036, 8323, 8932, 9020, 10045, 10780, 11165, 11890, 12628, 13079, 14210, 15631, 15785, 16646, 20090, 22099, 22330, 23780, 26158, 28420, 31262, 31570, 33292, 40180, 41615, 44198, 44660, 52316, 58261, 62524, 63140, 65395, 78155, 83230, 88396, 91553, 110495, 116522, 130790, 156310, 166460, 183106, 220990, 233044, 261580, 291305, 312620, 366212, 441980, 457765, 582610, 640871, 915530, 1165220, 1281742, 1831060, 2563484, 3204355, 6408710, 12817420]

約数ペア:

[(1, 12817420), (2, 6408710), (4, 3204355), (5, 2563484), (7, 1831060), (10, 1281742), (11, 1165220), (14, 915530), (20, 640871), (22, 582610), (28, 457765), (29, 441980), (35, 366212), (41, 312620), (44, 291305), (49, 261580), (55, 233044), (58, 220990), (70, 183106), (77, 166460), (82, 156310), (98, 130790), (110, 116522), (116, 110495), (140, 91553), (145, 88396), (154, 83230), (164, 78155), (196, 65395), (203, 63140), (205, 62524), (220, 58261), (245, 52316), (287, 44660), (290, 44198), (308, 41615), (319, 40180), (385, 33292), (406, 31570), (410, 31262), (451, 28420), (490, 26158), (539, 23780), (574, 22330), (580, 22099), (638, 20090), (770, 16646), (812, 15785), (820, 15631), (902, 14210), (980, 13079), (1015, 12628), (1078, 11890), (1148, 11165), (1189, 10780), (1276, 10045), (1421, 9020), (1435, 8932), (1540, 8323), (1595, 8036), (1804, 7105), (2009, 6380), (2030, 6314), (2156, 5945), (2233, 5740), (2255, 5684), (2378, 5390), (2695, 4756), (2842, 4510), (2870, 4466), (3157, 4060), (3190, 4018)]