308330960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17761}}^1$

素因数の和:17812

約数の個数: 80

約数和(自身を含む): 845755392

約数和(自身を除く): 537424432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 17761, 35522, 71044, 88805, 124327, 142088, 177610, 248654, 284176, 355220, 497308, 550591, 621635, 710440, 994616, 1101182, 1243270, 1420880, 1989232, 2202364, 2486540, 2752955, 3854137, 4404728, 4973080, 5505910, 7708274, 8809456, 9946160, 11011820, 15416548, 19270685, 22023640, 30833096, 38541370, 44047280, 61666192, 77082740, 154165480, 308330960]

約数ペア:

[(1, 308330960), (2, 154165480), (4, 77082740), (5, 61666192), (7, 44047280), (8, 38541370), (10, 30833096), (14, 22023640), (16, 19270685), (20, 15416548), (28, 11011820), (31, 9946160), (35, 8809456), (40, 7708274), (56, 5505910), (62, 4973080), (70, 4404728), (80, 3854137), (112, 2752955), (124, 2486540), (140, 2202364), (155, 1989232), (217, 1420880), (248, 1243270), (280, 1101182), (310, 994616), (434, 710440), (496, 621635), (560, 550591), (620, 497308), (868, 355220), (1085, 284176), (1240, 248654), (1736, 177610), (2170, 142088), (2480, 124327), (3472, 88805), (4340, 71044), (8680, 35522), (17360, 17761)]