1285627420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2684

約数の個数: 144

約数和(自身を含む): 3509795520

約数和(自身を除く): 2224168100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 121, 140, 145, 154, 203, 220, 242, 290, 308, 319, 385, 406, 484, 580, 605, 638, 770, 812, 847, 1015, 1210, 1276, 1540, 1595, 1694, 2030, 2233, 2420, 2617, 3190, 3388, 3509, 4060, 4235, 4466, 5234, 6380, 7018, 8470, 8932, 10468, 11165, 13085, 14036, 16940, 17545, 18319, 22330, 24563, 26170, 28787, 35090, 36638, 44660, 49126, 52340, 57574, 70180, 73276, 75893, 91595, 98252, 115148, 122815, 143935, 151786, 183190, 201509, 245630, 287870, 303572, 316657, 366380, 379465, 403018, 491260, 531251, 575740, 633314, 758930, 806036, 834823, 1007545, 1062502, 1266628, 1517860, 1583285, 1669646, 2015090, 2125004, 2216599, 2656255, 3166570, 3339292, 4030180, 4174115, 4433198, 5312510, 5843761, 6333140, 8348230, 8866396, 9183053, 10625020, 11082995, 11687522, 16696460, 18366106, 22165990, 23375044, 29218805, 36732212, 44331980, 45915265, 58437610, 64281371, 91830530, 116875220, 128562742, 183661060, 257125484, 321406855, 642813710, 1285627420]

約数ペア:

[(1, 1285627420), (2, 642813710), (4, 321406855), (5, 257125484), (7, 183661060), (10, 128562742), (11, 116875220), (14, 91830530), (20, 64281371), (22, 58437610), (28, 45915265), (29, 44331980), (35, 36732212), (44, 29218805), (55, 23375044), (58, 22165990), (70, 18366106), (77, 16696460), (110, 11687522), (116, 11082995), (121, 10625020), (140, 9183053), (145, 8866396), (154, 8348230), (203, 6333140), (220, 5843761), (242, 5312510), (290, 4433198), (308, 4174115), (319, 4030180), (385, 3339292), (406, 3166570), (484, 2656255), (580, 2216599), (605, 2125004), (638, 2015090), (770, 1669646), (812, 1583285), (847, 1517860), (1015, 1266628), (1210, 1062502), (1276, 1007545), (1540, 834823), (1595, 806036), (1694, 758930), (2030, 633314), (2233, 575740), (2420, 531251), (2617, 491260), (3190, 403018), (3388, 379465), (3509, 366380), (4060, 316657), (4235, 303572), (4466, 287870), (5234, 245630), (6380, 201509), (7018, 183190), (8470, 151786), (8932, 143935), (10468, 122815), (11165, 115148), (13085, 98252), (14036, 91595), (16940, 75893), (17545, 73276), (18319, 70180), (22330, 57574), (24563, 52340), (26170, 49126), (28787, 44660), (35090, 36638)]