61667920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 156240000

約数和(自身を除く): 94572080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1399, 1520, 2204, 2320, 2755, 2798, 4408, 5510, 5596, 6995, 8816, 11020, 11192, 13990, 22040, 22384, 26581, 27980, 40571, 44080, 53162, 55960, 81142, 106324, 111920, 132905, 162284, 202855, 212648, 265810, 324568, 405710, 425296, 531620, 649136, 770849, 811420, 1063240, 1541698, 1622840, 2126480, 3083396, 3245680, 3854245, 6166792, 7708490, 12333584, 15416980, 30833960, 61667920]

約数ペア:

[(1, 61667920), (2, 30833960), (4, 15416980), (5, 12333584), (8, 7708490), (10, 6166792), (16, 3854245), (19, 3245680), (20, 3083396), (29, 2126480), (38, 1622840), (40, 1541698), (58, 1063240), (76, 811420), (80, 770849), (95, 649136), (116, 531620), (145, 425296), (152, 405710), (190, 324568), (232, 265810), (290, 212648), (304, 202855), (380, 162284), (464, 132905), (551, 111920), (580, 106324), (760, 81142), (1102, 55960), (1160, 53162), (1399, 44080), (1520, 40571), (2204, 27980), (2320, 26581), (2755, 22384), (2798, 22040), (4408, 13990), (5510, 11192), (5596, 11020), (6995, 8816)]