156988960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1021}}^1$

素因数の和:1098

約数の個数: 72

約数和(自身を含む): 383611788

約数和(自身を除く): 226622828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1021, 1240, 1922, 2042, 2480, 3844, 4084, 4805, 4960, 5105, 7688, 8168, 9610, 10210, 15376, 16336, 19220, 20420, 30752, 31651, 32672, 38440, 40840, 63302, 76880, 81680, 126604, 153760, 158255, 163360, 253208, 316510, 506416, 633020, 981181, 1012832, 1266040, 1962362, 2532080, 3924724, 4905905, 5064160, 7849448, 9811810, 15698896, 19623620, 31397792, 39247240, 78494480, 156988960]

約数ペア:

[(1, 156988960), (2, 78494480), (4, 39247240), (5, 31397792), (8, 19623620), (10, 15698896), (16, 9811810), (20, 7849448), (31, 5064160), (32, 4905905), (40, 3924724), (62, 2532080), (80, 1962362), (124, 1266040), (155, 1012832), (160, 981181), (248, 633020), (310, 506416), (496, 316510), (620, 253208), (961, 163360), (992, 158255), (1021, 153760), (1240, 126604), (1922, 81680), (2042, 76880), (2480, 63302), (3844, 40840), (4084, 38440), (4805, 32672), (4960, 31651), (5105, 30752), (7688, 20420), (8168, 19220), (9610, 16336), (10210, 15376)]