28689240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12583}}^1$

素因数の和:12616

約数の個数: 64

約数和(自身を含む): 90604800

約数和(自身を除く): 61915560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12583, 25166, 37749, 50332, 62915, 75498, 100664, 125830, 150996, 188745, 239077, 251660, 301992, 377490, 478154, 503320, 717231, 754980, 956308, 1195385, 1434462, 1509960, 1912616, 2390770, 2868924, 3586155, 4781540, 5737848, 7172310, 9563080, 14344620, 28689240]

約数ペア:

[(1, 28689240), (2, 14344620), (3, 9563080), (4, 7172310), (5, 5737848), (6, 4781540), (8, 3586155), (10, 2868924), (12, 2390770), (15, 1912616), (19, 1509960), (20, 1434462), (24, 1195385), (30, 956308), (38, 754980), (40, 717231), (57, 503320), (60, 478154), (76, 377490), (95, 301992), (114, 251660), (120, 239077), (152, 188745), (190, 150996), (228, 125830), (285, 100664), (380, 75498), (456, 62915), (570, 50332), (760, 37749), (1140, 25166), (2280, 12583)]