128710020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24103}}^1$

素因数の和:24204

約数の個数: 48

約数和(自身を含む): 364452480

約数和(自身を除く): 235742460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 24103, 48206, 72309, 96412, 120515, 144618, 241030, 289236, 361545, 482060, 723090, 1446180, 2145167, 4290334, 6435501, 8580668, 10725835, 12871002, 21451670, 25742004, 32177505, 42903340, 64355010, 128710020]

約数ペア:

[(1, 128710020), (2, 64355010), (3, 42903340), (4, 32177505), (5, 25742004), (6, 21451670), (10, 12871002), (12, 10725835), (15, 8580668), (20, 6435501), (30, 4290334), (60, 2145167), (89, 1446180), (178, 723090), (267, 482060), (356, 361545), (445, 289236), (534, 241030), (890, 144618), (1068, 120515), (1335, 96412), (1780, 72309), (2670, 48206), (5340, 24103)]