204417240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21563}}^1$

素因数の和:21656

約数の個数: 64

約数和(自身を含む): 621043200

約数和(自身を除く): 416625960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 21563, 43126, 64689, 86252, 107815, 129378, 172504, 215630, 258756, 323445, 431260, 517512, 646890, 862520, 1293780, 1703477, 2587560, 3406954, 5110431, 6813908, 8517385, 10220862, 13627816, 17034770, 20441724, 25552155, 34069540, 40883448, 51104310, 68139080, 102208620, 204417240]

約数ペア:

[(1, 204417240), (2, 102208620), (3, 68139080), (4, 51104310), (5, 40883448), (6, 34069540), (8, 25552155), (10, 20441724), (12, 17034770), (15, 13627816), (20, 10220862), (24, 8517385), (30, 6813908), (40, 5110431), (60, 3406954), (79, 2587560), (120, 1703477), (158, 1293780), (237, 862520), (316, 646890), (395, 517512), (474, 431260), (632, 323445), (790, 258756), (948, 215630), (1185, 172504), (1580, 129378), (1896, 107815), (2370, 86252), (3160, 64689), (4740, 43126), (9480, 21563)]