309151980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3877}}^1$

素因数の和:4335

約数の個数: 72

約数和(自身を含む): 940120272

約数和(自身を除く): 630968292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 3877, 3987, 4430, 5316, 6645, 7754, 7974, 8860, 11631, 13290, 15508, 15948, 19385, 19935, 23262, 26580, 34893, 38770, 39870, 46524, 58155, 69786, 77540, 79740, 116310, 139572, 174465, 232620, 348930, 697860, 1717511, 3435022, 5152533, 6870044, 8587555, 10305066, 15457599, 17175110, 20610132, 25762665, 30915198, 34350220, 51525330, 61830396, 77287995, 103050660, 154575990, 309151980]

約数ペア:

[(1, 309151980), (2, 154575990), (3, 103050660), (4, 77287995), (5, 61830396), (6, 51525330), (9, 34350220), (10, 30915198), (12, 25762665), (15, 20610132), (18, 17175110), (20, 15457599), (30, 10305066), (36, 8587555), (45, 6870044), (60, 5152533), (90, 3435022), (180, 1717511), (443, 697860), (886, 348930), (1329, 232620), (1772, 174465), (2215, 139572), (2658, 116310), (3877, 79740), (3987, 77540), (4430, 69786), (5316, 58155), (6645, 46524), (7754, 39870), (7974, 38770), (8860, 34893), (11631, 26580), (13290, 23262), (15508, 19935), (15948, 19385)]