1229440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 3139560

約数和(自身を除く): 1910120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 113, 128, 136, 160, 170, 226, 272, 320, 340, 452, 544, 565, 640, 680, 904, 1088, 1130, 1360, 1808, 1921, 2176, 2260, 2720, 3616, 3842, 4520, 5440, 7232, 7684, 9040, 9605, 10880, 14464, 15368, 18080, 19210, 30736, 36160, 38420, 61472, 72320, 76840, 122944, 153680, 245888, 307360, 614720, 1229440]

約数ペア:

[(1, 1229440), (2, 614720), (4, 307360), (5, 245888), (8, 153680), (10, 122944), (16, 76840), (17, 72320), (20, 61472), (32, 38420), (34, 36160), (40, 30736), (64, 19210), (68, 18080), (80, 15368), (85, 14464), (113, 10880), (128, 9605), (136, 9040), (160, 7684), (170, 7232), (226, 5440), (272, 4520), (320, 3842), (340, 3616), (452, 2720), (544, 2260), (565, 2176), (640, 1921), (680, 1808), (904, 1360), (1088, 1130)]