72643125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 133607232

約数和(自身を除く): 60964107

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 53, 75, 85, 125, 129, 159, 215, 255, 265, 375, 425, 625, 645, 731, 795, 901, 1075, 1275, 1325, 1875, 2125, 2193, 2279, 2703, 3225, 3655, 3975, 4505, 5375, 6375, 6625, 6837, 10625, 10965, 11395, 13515, 16125, 18275, 19875, 22525, 26875, 31875, 33125, 34185, 38743, 54825, 56975, 67575, 80625, 91375, 99375, 112625, 116229, 170925, 193715, 274125, 284875, 337875, 456875, 563125, 581145, 854625, 968575, 1370625, 1424375, 1689375, 2905725, 4273125, 4842875, 14528625, 24214375, 72643125]

約数ペア:

[(1, 72643125), (3, 24214375), (5, 14528625), (15, 4842875), (17, 4273125), (25, 2905725), (43, 1689375), (51, 1424375), (53, 1370625), (75, 968575), (85, 854625), (125, 581145), (129, 563125), (159, 456875), (215, 337875), (255, 284875), (265, 274125), (375, 193715), (425, 170925), (625, 116229), (645, 112625), (731, 99375), (795, 91375), (901, 80625), (1075, 67575), (1275, 56975), (1325, 54825), (1875, 38743), (2125, 34185), (2193, 33125), (2279, 31875), (2703, 26875), (3225, 22525), (3655, 19875), (3975, 18275), (4505, 16125), (5375, 13515), (6375, 11395), (6625, 10965), (6837, 10625)]