1298235780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{66169}}^1$

素因数の和:66293

約数の個数: 72

約数和(自身を含む): 3974170200

約数和(自身を除く): 2675934420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 66169, 132338, 198507, 264676, 330845, 397014, 595521, 661690, 794028, 992535, 1191042, 1323380, 1985070, 2382084, 2977605, 3970140, 5955210, 7212421, 11910420, 14424842, 21637263, 28849684, 36062105, 43274526, 64911789, 72124210, 86549052, 108186315, 129823578, 144248420, 216372630, 259647156, 324558945, 432745260, 649117890, 1298235780]

約数ペア:

[(1, 1298235780), (2, 649117890), (3, 432745260), (4, 324558945), (5, 259647156), (6, 216372630), (9, 144248420), (10, 129823578), (12, 108186315), (15, 86549052), (18, 72124210), (20, 64911789), (30, 43274526), (36, 36062105), (45, 28849684), (60, 21637263), (90, 14424842), (109, 11910420), (180, 7212421), (218, 5955210), (327, 3970140), (436, 2977605), (545, 2382084), (654, 1985070), (981, 1323380), (1090, 1191042), (1308, 992535), (1635, 794028), (1962, 661690), (2180, 595521), (3270, 397014), (3924, 330845), (4905, 264676), (6540, 198507), (9810, 132338), (19620, 66169)]