15705128750

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1783

約数の個数: 80

約数和(自身を含む): 30133791600

約数和(自身を除く): 14428662850

約数列:

[1, 2, 5, 10, 25, 50, 73, 109, 125, 146, 218, 250, 365, 545, 625, 730, 1090, 1250, 1579, 1825, 2725, 3158, 3650, 5450, 7895, 7957, 9125, 13625, 15790, 15914, 18250, 27250, 39475, 39785, 45625, 68125, 78950, 79570, 91250, 115267, 136250, 172111, 197375, 198925, 230534, 344222, 394750, 397850, 576335, 860555, 986875, 994625, 1152670, 1721110, 1973750, 1989250, 2881675, 4302775, 4973125, 5763350, 8605550, 9946250, 12564103, 14408375, 21513875, 25128206, 28816750, 43027750, 62820515, 72041875, 107569375, 125641030, 144083750, 215138750, 314102575, 628205150, 1570512875, 3141025750, 7852564375, 15705128750]

約数ペア:

[(1, 15705128750), (2, 7852564375), (5, 3141025750), (10, 1570512875), (25, 628205150), (50, 314102575), (73, 215138750), (109, 144083750), (125, 125641030), (146, 107569375), (218, 72041875), (250, 62820515), (365, 43027750), (545, 28816750), (625, 25128206), (730, 21513875), (1090, 14408375), (1250, 12564103), (1579, 9946250), (1825, 8605550), (2725, 5763350), (3158, 4973125), (3650, 4302775), (5450, 2881675), (7895, 1989250), (7957, 1973750), (9125, 1721110), (13625, 1152670), (15790, 994625), (15914, 986875), (18250, 860555), (27250, 576335), (39475, 397850), (39785, 394750), (45625, 344222), (68125, 230534), (78950, 198925), (79570, 197375), (91250, 172111), (115267, 136250)]