28121880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8081}}^1$

素因数の和:8124

約数の個数: 64

約数和(自身を含む): 87285600

約数和(自身を除く): 59163720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 8081, 16162, 24243, 32324, 40405, 48486, 64648, 80810, 96972, 121215, 161620, 193944, 234349, 242430, 323240, 468698, 484860, 703047, 937396, 969720, 1171745, 1406094, 1874792, 2343490, 2812188, 3515235, 4686980, 5624376, 7030470, 9373960, 14060940, 28121880]

約数ペア:

[(1, 28121880), (2, 14060940), (3, 9373960), (4, 7030470), (5, 5624376), (6, 4686980), (8, 3515235), (10, 2812188), (12, 2343490), (15, 1874792), (20, 1406094), (24, 1171745), (29, 969720), (30, 937396), (40, 703047), (58, 484860), (60, 468698), (87, 323240), (116, 242430), (120, 234349), (145, 193944), (174, 161620), (232, 121215), (290, 96972), (348, 80810), (435, 64648), (580, 48486), (696, 40405), (870, 32324), (1160, 24243), (1740, 16162), (3480, 8081)]