155729420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 426323520

約数和(自身を除く): 270594100

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, 317, 319, 385, 406, 484, 580, 605, 634, 638, 770, 812, 847, 1015, 1210, 1268, 1276, 1540, 1585, 1595, 1694, 2030, 2219, 2233, 2420, 3170, 3190, 3388, 3487, 3509, 4060, 4235, 4438, 4466, 6340, 6380, 6974, 7018, 8470, 8876, 8932, 9193, 11095, 11165, 13948, 14036, 16940, 17435, 17545, 18386, 22190, 22330, 24409, 24563, 34870, 35090, 36772, 38357, 44380, 44660, 45965, 48818, 49126, 64351, 69740, 70180, 76714, 91930, 97636, 98252, 101123, 122045, 122815, 128702, 153428, 183860, 191785, 202246, 244090, 245630, 257404, 268499, 321755, 383570, 404492, 488180, 491260, 505615, 536998, 643510, 707861, 767140, 1011230, 1073996, 1112353, 1287020, 1342495, 1415722, 2022460, 2224706, 2684990, 2831444, 3539305, 4449412, 5369980, 5561765, 7078610, 7786471, 11123530, 14157220, 15572942, 22247060, 31145884, 38932355, 77864710, 155729420]

約数ペア:

[(1, 155729420), (2, 77864710), (4, 38932355), (5, 31145884), (7, 22247060), (10, 15572942), (11, 14157220), (14, 11123530), (20, 7786471), (22, 7078610), (28, 5561765), (29, 5369980), (35, 4449412), (44, 3539305), (55, 2831444), (58, 2684990), (70, 2224706), (77, 2022460), (110, 1415722), (116, 1342495), (121, 1287020), (140, 1112353), (145, 1073996), (154, 1011230), (203, 767140), (220, 707861), (242, 643510), (290, 536998), (308, 505615), (317, 491260), (319, 488180), (385, 404492), (406, 383570), (484, 321755), (580, 268499), (605, 257404), (634, 245630), (638, 244090), (770, 202246), (812, 191785), (847, 183860), (1015, 153428), (1210, 128702), (1268, 122815), (1276, 122045), (1540, 101123), (1585, 98252), (1595, 97636), (1694, 91930), (2030, 76714), (2219, 70180), (2233, 69740), (2420, 64351), (3170, 49126), (3190, 48818), (3388, 45965), (3487, 44660), (3509, 44380), (4060, 38357), (4235, 36772), (4438, 35090), (4466, 34870), (6340, 24563), (6380, 24409), (6974, 22330), (7018, 22190), (8470, 18386), (8876, 17545), (8932, 17435), (9193, 16940), (11095, 14036), (11165, 13948)]