61591840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 72

約数和(自身を含む): 149797620

約数和(自身を除く): 88205780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 229, 328, 410, 458, 656, 820, 916, 1145, 1312, 1640, 1681, 1832, 2290, 3280, 3362, 3664, 4580, 6560, 6724, 7328, 8405, 9160, 9389, 13448, 16810, 18320, 18778, 26896, 33620, 36640, 37556, 46945, 53792, 67240, 75112, 93890, 134480, 150224, 187780, 268960, 300448, 375560, 384949, 751120, 769898, 1502240, 1539796, 1924745, 3079592, 3849490, 6159184, 7698980, 12318368, 15397960, 30795920, 61591840]

約数ペア:

[(1, 61591840), (2, 30795920), (4, 15397960), (5, 12318368), (8, 7698980), (10, 6159184), (16, 3849490), (20, 3079592), (32, 1924745), (40, 1539796), (41, 1502240), (80, 769898), (82, 751120), (160, 384949), (164, 375560), (205, 300448), (229, 268960), (328, 187780), (410, 150224), (458, 134480), (656, 93890), (820, 75112), (916, 67240), (1145, 53792), (1312, 46945), (1640, 37556), (1681, 36640), (1832, 33620), (2290, 26896), (3280, 18778), (3362, 18320), (3664, 16810), (4580, 13448), (6560, 9389), (6724, 9160), (7328, 8405)]