8399280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 26426880

約数和(自身を除く): 18027600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 443, 474, 632, 790, 886, 948, 1185, 1264, 1329, 1580, 1772, 1896, 2215, 2370, 2658, 3160, 3544, 3792, 4430, 4740, 5316, 6320, 6645, 7088, 8860, 9480, 10632, 13290, 17720, 18960, 21264, 26580, 34997, 35440, 53160, 69994, 104991, 106320, 139988, 174985, 209982, 279976, 349970, 419964, 524955, 559952, 699940, 839928, 1049910, 1399880, 1679856, 2099820, 2799760, 4199640, 8399280]

約数ペア:

[(1, 8399280), (2, 4199640), (3, 2799760), (4, 2099820), (5, 1679856), (6, 1399880), (8, 1049910), (10, 839928), (12, 699940), (15, 559952), (16, 524955), (20, 419964), (24, 349970), (30, 279976), (40, 209982), (48, 174985), (60, 139988), (79, 106320), (80, 104991), (120, 69994), (158, 53160), (237, 35440), (240, 34997), (316, 26580), (395, 21264), (443, 18960), (474, 17720), (632, 13290), (790, 10632), (886, 9480), (948, 8860), (1185, 7088), (1264, 6645), (1329, 6320), (1580, 5316), (1772, 4740), (1896, 4430), (2215, 3792), (2370, 3544), (2658, 3160)]