15604720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 36582480

約数和(自身を除く): 20977760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1489, 2096, 2620, 2978, 5240, 5956, 7445, 10480, 11912, 14890, 23824, 29780, 59560, 119120, 195059, 390118, 780236, 975295, 1560472, 1950590, 3120944, 3901180, 7802360, 15604720]

約数ペア:

[(1, 15604720), (2, 7802360), (4, 3901180), (5, 3120944), (8, 1950590), (10, 1560472), (16, 975295), (20, 780236), (40, 390118), (80, 195059), (131, 119120), (262, 59560), (524, 29780), (655, 23824), (1048, 14890), (1310, 11912), (1489, 10480), (2096, 7445), (2620, 5956), (2978, 5240)]