1271600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:63

約数の個数: 90

約数和(自身を含む): 3540324

約数和(自身を除く): 2268724

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 289, 340, 374, 400, 425, 440, 550, 578, 680, 748, 850, 880, 935, 1100, 1156, 1360, 1445, 1496, 1700, 1870, 2200, 2312, 2890, 2992, 3179, 3400, 3740, 4400, 4624, 4675, 5780, 6358, 6800, 7225, 7480, 9350, 11560, 12716, 14450, 14960, 15895, 18700, 23120, 25432, 28900, 31790, 37400, 50864, 57800, 63580, 74800, 79475, 115600, 127160, 158950, 254320, 317900, 635800, 1271600]

約数ペア:

[(1, 1271600), (2, 635800), (4, 317900), (5, 254320), (8, 158950), (10, 127160), (11, 115600), (16, 79475), (17, 74800), (20, 63580), (22, 57800), (25, 50864), (34, 37400), (40, 31790), (44, 28900), (50, 25432), (55, 23120), (68, 18700), (80, 15895), (85, 14960), (88, 14450), (100, 12716), (110, 11560), (136, 9350), (170, 7480), (176, 7225), (187, 6800), (200, 6358), (220, 5780), (272, 4675), (275, 4624), (289, 4400), (340, 3740), (374, 3400), (400, 3179), (425, 2992), (440, 2890), (550, 2312), (578, 2200), (680, 1870), (748, 1700), (850, 1496), (880, 1445), (935, 1360), (1100, 1156)]