215711580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2689}}^1$

素因数の和:2899

約数の個数: 96

約数和(自身を含む): 694149120

約数和(自身を除く): 478437540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2674, 2689, 2865, 3820, 4011, 5348, 5378, 5730, 6685, 8022, 8067, 10756, 11460, 13370, 13445, 16044, 16134, 18823, 20055, 26740, 26890, 32268, 37646, 40110, 40335, 53780, 56469, 75292, 80220, 80670, 94115, 112938, 161340, 188230, 225876, 282345, 376460, 513599, 564690, 1027198, 1129380, 1540797, 2054396, 2567995, 3081594, 3595193, 5135990, 6163188, 7190386, 7703985, 10271980, 10785579, 14380772, 15407970, 17975965, 21571158, 30815940, 35951930, 43142316, 53927895, 71903860, 107855790, 215711580]

約数ペア:

[(1, 215711580), (2, 107855790), (3, 71903860), (4, 53927895), (5, 43142316), (6, 35951930), (7, 30815940), (10, 21571158), (12, 17975965), (14, 15407970), (15, 14380772), (20, 10785579), (21, 10271980), (28, 7703985), (30, 7190386), (35, 6163188), (42, 5135990), (60, 3595193), (70, 3081594), (84, 2567995), (105, 2054396), (140, 1540797), (191, 1129380), (210, 1027198), (382, 564690), (420, 513599), (573, 376460), (764, 282345), (955, 225876), (1146, 188230), (1337, 161340), (1910, 112938), (2292, 94115), (2674, 80670), (2689, 80220), (2865, 75292), (3820, 56469), (4011, 53780), (5348, 40335), (5378, 40110), (5730, 37646), (6685, 32268), (8022, 26890), (8067, 26740), (10756, 20055), (11460, 18823), (13370, 16134), (13445, 16044)]