15416980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 35280000

約数和(自身を除く): 19863020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1399, 2204, 2755, 2798, 5510, 5596, 6995, 11020, 13990, 26581, 27980, 40571, 53162, 81142, 106324, 132905, 162284, 202855, 265810, 405710, 531620, 770849, 811420, 1541698, 3083396, 3854245, 7708490, 15416980]

約数ペア:

[(1, 15416980), (2, 7708490), (4, 3854245), (5, 3083396), (10, 1541698), (19, 811420), (20, 770849), (29, 531620), (38, 405710), (58, 265810), (76, 202855), (95, 162284), (116, 132905), (145, 106324), (190, 81142), (290, 53162), (380, 40571), (551, 27980), (580, 26581), (1102, 13990), (1399, 11020), (2204, 6995), (2755, 5596), (2798, 5510)]