220725360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306563}}^1$

素因数の和:306582

約数の個数: 60

約数和(自身を含む): 741271752

約数和(自身を除く): 520546392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 306563, 613126, 919689, 1226252, 1532815, 1839378, 2452504, 2759067, 3065630, 3678756, 4598445, 4905008, 5518134, 6131260, 7357512, 9196890, 11036268, 12262520, 13795335, 14715024, 18393780, 22072536, 24525040, 27590670, 36787560, 44145072, 55181340, 73575120, 110362680, 220725360]

約数ペア:

[(1, 220725360), (2, 110362680), (3, 73575120), (4, 55181340), (5, 44145072), (6, 36787560), (8, 27590670), (9, 24525040), (10, 22072536), (12, 18393780), (15, 14715024), (16, 13795335), (18, 12262520), (20, 11036268), (24, 9196890), (30, 7357512), (36, 6131260), (40, 5518134), (45, 4905008), (48, 4598445), (60, 3678756), (72, 3065630), (80, 2759067), (90, 2452504), (120, 1839378), (144, 1532815), (180, 1226252), (240, 919689), (360, 613126), (720, 306563)]