28490640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6983}}^1$

素因数の和:7016

約数の個数: 80

約数和(自身を含む): 93529728

約数和(自身を除く): 65039088

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, 6983, 13966, 20949, 27932, 34915, 41898, 55864, 69830, 83796, 104745, 111728, 118711, 139660, 167592, 209490, 237422, 279320, 335184, 356133, 418980, 474844, 558640, 593555, 712266, 837960, 949688, 1187110, 1424532, 1675920, 1780665, 1899376, 2374220, 2849064, 3561330, 4748440, 5698128, 7122660, 9496880, 14245320, 28490640]

約数ペア:

[(1, 28490640), (2, 14245320), (3, 9496880), (4, 7122660), (5, 5698128), (6, 4748440), (8, 3561330), (10, 2849064), (12, 2374220), (15, 1899376), (16, 1780665), (17, 1675920), (20, 1424532), (24, 1187110), (30, 949688), (34, 837960), (40, 712266), (48, 593555), (51, 558640), (60, 474844), (68, 418980), (80, 356133), (85, 335184), (102, 279320), (120, 237422), (136, 209490), (170, 167592), (204, 139660), (240, 118711), (255, 111728), (272, 104745), (340, 83796), (408, 69830), (510, 55864), (680, 41898), (816, 34915), (1020, 27932), (1360, 20949), (2040, 13966), (4080, 6983)]