68621420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 174375936

約数和(自身を除く): 105754516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 101, 115, 140, 161, 202, 211, 230, 322, 404, 422, 460, 505, 644, 707, 805, 844, 1010, 1055, 1414, 1477, 1610, 2020, 2110, 2323, 2828, 2954, 3220, 3535, 4220, 4646, 4853, 5908, 7070, 7385, 9292, 9706, 11615, 14140, 14770, 16261, 19412, 21311, 23230, 24265, 29540, 32522, 33971, 42622, 46460, 48530, 65044, 67942, 81305, 85244, 97060, 106555, 135884, 149177, 162610, 169855, 213110, 298354, 325220, 339710, 426220, 490153, 596708, 679420, 745885, 980306, 1491770, 1960612, 2450765, 2983540, 3431071, 4901530, 6862142, 9803060, 13724284, 17155355, 34310710, 68621420]

約数ペア:

[(1, 68621420), (2, 34310710), (4, 17155355), (5, 13724284), (7, 9803060), (10, 6862142), (14, 4901530), (20, 3431071), (23, 2983540), (28, 2450765), (35, 1960612), (46, 1491770), (70, 980306), (92, 745885), (101, 679420), (115, 596708), (140, 490153), (161, 426220), (202, 339710), (211, 325220), (230, 298354), (322, 213110), (404, 169855), (422, 162610), (460, 149177), (505, 135884), (644, 106555), (707, 97060), (805, 85244), (844, 81305), (1010, 67942), (1055, 65044), (1414, 48530), (1477, 46460), (1610, 42622), (2020, 33971), (2110, 32522), (2323, 29540), (2828, 24265), (2954, 23230), (3220, 21311), (3535, 19412), (4220, 16261), (4646, 14770), (4853, 14140), (5908, 11615), (7070, 9706), (7385, 9292)]