12975420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12750

約数の個数: 48

約数和(自身を含む): 38471328

約数和(自身を除く): 25495908

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, 12721, 25442, 38163, 50884, 63605, 76326, 127210, 152652, 190815, 216257, 254420, 381630, 432514, 648771, 763260, 865028, 1081285, 1297542, 2162570, 2595084, 3243855, 4325140, 6487710, 12975420]

約数ペア:

[(1, 12975420), (2, 6487710), (3, 4325140), (4, 3243855), (5, 2595084), (6, 2162570), (10, 1297542), (12, 1081285), (15, 865028), (17, 763260), (20, 648771), (30, 432514), (34, 381630), (51, 254420), (60, 216257), (68, 190815), (85, 152652), (102, 127210), (170, 76326), (204, 63605), (255, 50884), (340, 38163), (510, 25442), (1020, 12721)]