15406420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 34645968

約数和(自身を除く): 19239548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 401, 452, 565, 802, 1130, 1604, 1921, 2005, 2260, 3842, 4010, 6817, 7684, 8020, 9605, 13634, 19210, 27268, 34085, 38420, 45313, 68170, 90626, 136340, 181252, 226565, 453130, 770321, 906260, 1540642, 3081284, 3851605, 7703210, 15406420]

約数ペア:

[(1, 15406420), (2, 7703210), (4, 3851605), (5, 3081284), (10, 1540642), (17, 906260), (20, 770321), (34, 453130), (68, 226565), (85, 181252), (113, 136340), (170, 90626), (226, 68170), (340, 45313), (401, 38420), (452, 34085), (565, 27268), (802, 19210), (1130, 13634), (1604, 9605), (1921, 8020), (2005, 7684), (2260, 6817), (3842, 4010)]