28082640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6883}}^1$

素因数の和:6916

約数の個数: 80

約数和(自身を含む): 92190528

約数和(自身を除く): 64107888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 6883, 13766, 20649, 27532, 34415, 41298, 55064, 68830, 82596, 103245, 110128, 117011, 137660, 165192, 206490, 234022, 275320, 330384, 351033, 412980, 468044, 550640, 585055, 702066, 825960, 936088, 1170110, 1404132, 1651920, 1755165, 1872176, 2340220, 2808264, 3510330, 4680440, 5616528, 7020660, 9360880, 14041320, 28082640]

約数ペア:

[(1, 28082640), (2, 14041320), (3, 9360880), (4, 7020660), (5, 5616528), (6, 4680440), (8, 3510330), (10, 2808264), (12, 2340220), (15, 1872176), (16, 1755165), (17, 1651920), (20, 1404132), (24, 1170110), (30, 936088), (34, 825960), (40, 702066), (48, 585055), (51, 550640), (60, 468044), (68, 412980), (80, 351033), (85, 330384), (102, 275320), (120, 234022), (136, 206490), (170, 165192), (204, 137660), (240, 117011), (255, 110128), (272, 103245), (340, 82596), (408, 68830), (510, 55064), (680, 41298), (816, 34415), (1020, 27532), (1360, 20649), (2040, 13766), (4080, 6883)]