1611004720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{3697}}^1$

素因数の和:4142

約数の個数: 80

約数和(自身を含む): 4044428640

約数和(自身を除く): 2433423920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 419, 520, 838, 1040, 1676, 2095, 3352, 3697, 4190, 5447, 6704, 7394, 8380, 10894, 14788, 16760, 18485, 21788, 27235, 29576, 33520, 36970, 43576, 48061, 54470, 59152, 73940, 87152, 96122, 108940, 147880, 192244, 217880, 240305, 295760, 384488, 435760, 480610, 768976, 961220, 1549043, 1922440, 3098086, 3844880, 6196172, 7745215, 12392344, 15490430, 20137559, 24784688, 30980860, 40275118, 61961720, 80550236, 100687795, 123923440, 161100472, 201375590, 322200944, 402751180, 805502360, 1611004720]

約数ペア:

[(1, 1611004720), (2, 805502360), (4, 402751180), (5, 322200944), (8, 201375590), (10, 161100472), (13, 123923440), (16, 100687795), (20, 80550236), (26, 61961720), (40, 40275118), (52, 30980860), (65, 24784688), (80, 20137559), (104, 15490430), (130, 12392344), (208, 7745215), (260, 6196172), (419, 3844880), (520, 3098086), (838, 1922440), (1040, 1549043), (1676, 961220), (2095, 768976), (3352, 480610), (3697, 435760), (4190, 384488), (5447, 295760), (6704, 240305), (7394, 217880), (8380, 192244), (10894, 147880), (14788, 108940), (16760, 96122), (18485, 87152), (21788, 73940), (27235, 59152), (29576, 54470), (33520, 48061), (36970, 43576)]