1661578960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{773}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 3922155216

約数和(自身を除く): 2260576256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 277, 388, 485, 554, 773, 776, 970, 1108, 1385, 1546, 1552, 1940, 2216, 2770, 3092, 3865, 3880, 4432, 5540, 6184, 7730, 7760, 11080, 12368, 15460, 22160, 26869, 30920, 53738, 61840, 74981, 107476, 134345, 149962, 214121, 214952, 268690, 299924, 374905, 428242, 429904, 537380, 599848, 749810, 856484, 1070605, 1074760, 1199696, 1499620, 1712968, 2141210, 2149520, 2999240, 3425936, 4282420, 5998480, 8564840, 17129680, 20769737, 41539474, 83078948, 103848685, 166157896, 207697370, 332315792, 415394740, 830789480, 1661578960]

約数ペア:

[(1, 1661578960), (2, 830789480), (4, 415394740), (5, 332315792), (8, 207697370), (10, 166157896), (16, 103848685), (20, 83078948), (40, 41539474), (80, 20769737), (97, 17129680), (194, 8564840), (277, 5998480), (388, 4282420), (485, 3425936), (554, 2999240), (773, 2149520), (776, 2141210), (970, 1712968), (1108, 1499620), (1385, 1199696), (1546, 1074760), (1552, 1070605), (1940, 856484), (2216, 749810), (2770, 599848), (3092, 537380), (3865, 429904), (3880, 428242), (4432, 374905), (5540, 299924), (6184, 268690), (7730, 214952), (7760, 214121), (11080, 149962), (12368, 134345), (15460, 107476), (22160, 74981), (26869, 61840), (30920, 53738)]