655881420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643021}}^1$

素因数の和:643050

約数の個数: 48

約数和(自身を含む): 1944498528

約数和(自身を除く): 1288617108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 643021, 1286042, 1929063, 2572084, 3215105, 3858126, 6430210, 7716252, 9645315, 10931357, 12860420, 19290630, 21862714, 32794071, 38581260, 43725428, 54656785, 65588142, 109313570, 131176284, 163970355, 218627140, 327940710, 655881420]

約数ペア:

[(1, 655881420), (2, 327940710), (3, 218627140), (4, 163970355), (5, 131176284), (6, 109313570), (10, 65588142), (12, 54656785), (15, 43725428), (17, 38581260), (20, 32794071), (30, 21862714), (34, 19290630), (51, 12860420), (60, 10931357), (68, 9645315), (85, 7716252), (102, 6430210), (170, 3858126), (204, 3215105), (255, 2572084), (340, 1929063), (510, 1286042), (1020, 643021)]