8870960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 25105536

約数和(自身を除く): 16234576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 73, 80, 98, 112, 124, 140, 146, 155, 196, 217, 245, 248, 280, 292, 310, 365, 392, 434, 490, 496, 511, 560, 584, 620, 730, 784, 868, 980, 1022, 1085, 1168, 1240, 1460, 1519, 1736, 1960, 2044, 2170, 2263, 2480, 2555, 2920, 3038, 3472, 3577, 3920, 4088, 4340, 4526, 5110, 5840, 6076, 7154, 7595, 8176, 8680, 9052, 10220, 11315, 12152, 14308, 15190, 15841, 17360, 17885, 18104, 20440, 22630, 24304, 28616, 30380, 31682, 35770, 36208, 40880, 45260, 57232, 60760, 63364, 71540, 79205, 90520, 110887, 121520, 126728, 143080, 158410, 181040, 221774, 253456, 286160, 316820, 443548, 554435, 633640, 887096, 1108870, 1267280, 1774192, 2217740, 4435480, 8870960]

約数ペア:

[(1, 8870960), (2, 4435480), (4, 2217740), (5, 1774192), (7, 1267280), (8, 1108870), (10, 887096), (14, 633640), (16, 554435), (20, 443548), (28, 316820), (31, 286160), (35, 253456), (40, 221774), (49, 181040), (56, 158410), (62, 143080), (70, 126728), (73, 121520), (80, 110887), (98, 90520), (112, 79205), (124, 71540), (140, 63364), (146, 60760), (155, 57232), (196, 45260), (217, 40880), (245, 36208), (248, 35770), (280, 31682), (292, 30380), (310, 28616), (365, 24304), (392, 22630), (434, 20440), (490, 18104), (496, 17885), (511, 17360), (560, 15841), (584, 15190), (620, 14308), (730, 12152), (784, 11315), (868, 10220), (980, 9052), (1022, 8680), (1085, 8176), (1168, 7595), (1240, 7154), (1460, 6076), (1519, 5840), (1736, 5110), (1960, 4526), (2044, 4340), (2170, 4088), (2263, 3920), (2480, 3577), (2555, 3472), (2920, 3038)]