154960540

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 380473632

約数和(自身を除く): 225513092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 461, 490, 686, 922, 980, 1372, 1715, 1844, 2305, 2401, 3227, 3430, 4610, 4802, 6454, 6860, 9220, 9604, 12005, 12908, 16135, 16807, 22589, 24010, 32270, 33614, 45178, 48020, 64540, 67228, 84035, 90356, 112945, 158123, 168070, 225890, 316246, 336140, 451780, 632492, 790615, 1106861, 1581230, 2213722, 3162460, 4427444, 5534305, 7748027, 11068610, 15496054, 22137220, 30992108, 38740135, 77480270, 154960540]

約数ペア:

[(1, 154960540), (2, 77480270), (4, 38740135), (5, 30992108), (7, 22137220), (10, 15496054), (14, 11068610), (20, 7748027), (28, 5534305), (35, 4427444), (49, 3162460), (70, 2213722), (98, 1581230), (140, 1106861), (196, 790615), (245, 632492), (343, 451780), (461, 336140), (490, 316246), (686, 225890), (922, 168070), (980, 158123), (1372, 112945), (1715, 90356), (1844, 84035), (2305, 67228), (2401, 64540), (3227, 48020), (3430, 45178), (4610, 33614), (4802, 32270), (6454, 24010), (6860, 22589), (9220, 16807), (9604, 16135), (12005, 12908)]