68489505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 140049000

約数和(自身を除く): 71559495

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 315, 349, 441, 445, 623, 735, 801, 1047, 1335, 1745, 1869, 2205, 2443, 3115, 3141, 4005, 4361, 5235, 5607, 7329, 9345, 12215, 13083, 15705, 17101, 21805, 21987, 28035, 31061, 36645, 39249, 51303, 65415, 85505, 93183, 109935, 153909, 155305, 196245, 217427, 256515, 279549, 465915, 652281, 769545, 1087135, 1397745, 1521989, 1956843, 3261405, 4565967, 7609945, 9784215, 13697901, 22829835, 68489505]

約数ペア:

[(1, 68489505), (3, 22829835), (5, 13697901), (7, 9784215), (9, 7609945), (15, 4565967), (21, 3261405), (35, 1956843), (45, 1521989), (49, 1397745), (63, 1087135), (89, 769545), (105, 652281), (147, 465915), (245, 279549), (267, 256515), (315, 217427), (349, 196245), (441, 155305), (445, 153909), (623, 109935), (735, 93183), (801, 85505), (1047, 65415), (1335, 51303), (1745, 39249), (1869, 36645), (2205, 31061), (2443, 28035), (3115, 21987), (3141, 21805), (4005, 17101), (4361, 15705), (5235, 13083), (5607, 12215), (7329, 9345)]