16808820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 96

約数和(自身を含む): 55566336

約数和(自身を除く): 38757516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1291, 1302, 1860, 2170, 2582, 2604, 3255, 3873, 4340, 5164, 6455, 6510, 7746, 9037, 12910, 13020, 15492, 18074, 19365, 25820, 27111, 36148, 38730, 40021, 45185, 54222, 77460, 80042, 90370, 108444, 120063, 135555, 160084, 180740, 200105, 240126, 271110, 280147, 400210, 480252, 542220, 560294, 600315, 800420, 840441, 1120588, 1200630, 1400735, 1680882, 2401260, 2801470, 3361764, 4202205, 5602940, 8404410, 16808820]

約数ペア:

[(1, 16808820), (2, 8404410), (3, 5602940), (4, 4202205), (5, 3361764), (6, 2801470), (7, 2401260), (10, 1680882), (12, 1400735), (14, 1200630), (15, 1120588), (20, 840441), (21, 800420), (28, 600315), (30, 560294), (31, 542220), (35, 480252), (42, 400210), (60, 280147), (62, 271110), (70, 240126), (84, 200105), (93, 180740), (105, 160084), (124, 135555), (140, 120063), (155, 108444), (186, 90370), (210, 80042), (217, 77460), (310, 54222), (372, 45185), (420, 40021), (434, 38730), (465, 36148), (620, 27111), (651, 25820), (868, 19365), (930, 18074), (1085, 15492), (1291, 13020), (1302, 12910), (1860, 9037), (2170, 7746), (2582, 6510), (2604, 6455), (3255, 5164), (3873, 4340)]