42801780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 138458880

約数和(自身を除く): 95657100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1009, 1010, 1212, 1414, 1515, 2018, 2020, 2121, 2828, 3027, 3030, 3535, 4036, 4242, 5045, 6054, 6060, 7063, 7070, 8484, 10090, 10605, 12108, 14126, 14140, 15135, 20180, 21189, 21210, 28252, 30270, 35315, 42378, 42420, 60540, 70630, 84756, 101909, 105945, 141260, 203818, 211890, 305727, 407636, 423780, 509545, 611454, 713363, 1019090, 1222908, 1426726, 1528635, 2038180, 2140089, 2853452, 3057270, 3566815, 4280178, 6114540, 7133630, 8560356, 10700445, 14267260, 21400890, 42801780]

約数ペア:

[(1, 42801780), (2, 21400890), (3, 14267260), (4, 10700445), (5, 8560356), (6, 7133630), (7, 6114540), (10, 4280178), (12, 3566815), (14, 3057270), (15, 2853452), (20, 2140089), (21, 2038180), (28, 1528635), (30, 1426726), (35, 1222908), (42, 1019090), (60, 713363), (70, 611454), (84, 509545), (101, 423780), (105, 407636), (140, 305727), (202, 211890), (210, 203818), (303, 141260), (404, 105945), (420, 101909), (505, 84756), (606, 70630), (707, 60540), (1009, 42420), (1010, 42378), (1212, 35315), (1414, 30270), (1515, 28252), (2018, 21210), (2020, 21189), (2121, 20180), (2828, 15135), (3027, 14140), (3030, 14126), (3535, 12108), (4036, 10605), (4242, 10090), (5045, 8484), (6054, 7070), (6060, 7063)]