245450080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90239}}^1$

素因数の和:90271

約数の個数: 48

約数和(自身を含む): 613992960

約数和(自身を除く): 368542880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 90239, 180478, 360956, 451195, 721912, 902390, 1443824, 1534063, 1804780, 2887648, 3068126, 3609560, 6136252, 7219120, 7670315, 12272504, 14438240, 15340630, 24545008, 30681260, 49090016, 61362520, 122725040, 245450080]

約数ペア:

[(1, 245450080), (2, 122725040), (4, 61362520), (5, 49090016), (8, 30681260), (10, 24545008), (16, 15340630), (17, 14438240), (20, 12272504), (32, 7670315), (34, 7219120), (40, 6136252), (68, 3609560), (80, 3068126), (85, 2887648), (136, 1804780), (160, 1534063), (170, 1443824), (272, 902390), (340, 721912), (544, 451195), (680, 360956), (1360, 180478), (2720, 90239)]