1320551460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{198281}}^1$

素因数の和:198333

約数の個数: 72

約数和(自身を含む): 4113954936

約数和(自身を除く): 2793403476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 198281, 396562, 594843, 793124, 991405, 1189686, 1784529, 1982810, 2379372, 2974215, 3569058, 3965620, 5948430, 7138116, 7336397, 8922645, 11896860, 14672794, 17845290, 22009191, 29345588, 35690580, 36681985, 44018382, 66027573, 73363970, 88036764, 110045955, 132055146, 146727940, 220091910, 264110292, 330137865, 440183820, 660275730, 1320551460]

約数ペア:

[(1, 1320551460), (2, 660275730), (3, 440183820), (4, 330137865), (5, 264110292), (6, 220091910), (9, 146727940), (10, 132055146), (12, 110045955), (15, 88036764), (18, 73363970), (20, 66027573), (30, 44018382), (36, 36681985), (37, 35690580), (45, 29345588), (60, 22009191), (74, 17845290), (90, 14672794), (111, 11896860), (148, 8922645), (180, 7336397), (185, 7138116), (222, 5948430), (333, 3965620), (370, 3569058), (444, 2974215), (555, 2379372), (666, 1982810), (740, 1784529), (1110, 1189686), (1332, 991405), (1665, 793124), (2220, 594843), (3330, 396562), (6660, 198281)]