40647900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 126491904

約数和(自身を除く): 85844004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 43, 46, 50, 60, 69, 75, 86, 92, 100, 115, 129, 137, 138, 150, 172, 215, 230, 258, 274, 276, 300, 345, 411, 430, 460, 516, 548, 575, 645, 685, 690, 822, 860, 989, 1075, 1150, 1290, 1370, 1380, 1644, 1725, 1978, 2055, 2150, 2300, 2580, 2740, 2967, 3151, 3225, 3425, 3450, 3956, 4110, 4300, 4945, 5891, 5934, 6302, 6450, 6850, 6900, 8220, 9453, 9890, 10275, 11782, 11868, 12604, 12900, 13700, 14835, 15755, 17673, 18906, 19780, 20550, 23564, 24725, 29455, 29670, 31510, 35346, 37812, 41100, 47265, 49450, 58910, 59340, 63020, 70692, 74175, 78775, 88365, 94530, 98900, 117820, 135493, 147275, 148350, 157550, 176730, 189060, 236325, 270986, 294550, 296700, 315100, 353460, 406479, 441825, 472650, 541972, 589100, 677465, 812958, 883650, 945300, 1354930, 1625916, 1767300, 2032395, 2709860, 3387325, 4064790, 6774650, 8129580, 10161975, 13549300, 20323950, 40647900]

約数ペア:

[(1, 40647900), (2, 20323950), (3, 13549300), (4, 10161975), (5, 8129580), (6, 6774650), (10, 4064790), (12, 3387325), (15, 2709860), (20, 2032395), (23, 1767300), (25, 1625916), (30, 1354930), (43, 945300), (46, 883650), (50, 812958), (60, 677465), (69, 589100), (75, 541972), (86, 472650), (92, 441825), (100, 406479), (115, 353460), (129, 315100), (137, 296700), (138, 294550), (150, 270986), (172, 236325), (215, 189060), (230, 176730), (258, 157550), (274, 148350), (276, 147275), (300, 135493), (345, 117820), (411, 98900), (430, 94530), (460, 88365), (516, 78775), (548, 74175), (575, 70692), (645, 63020), (685, 59340), (690, 58910), (822, 49450), (860, 47265), (989, 41100), (1075, 37812), (1150, 35346), (1290, 31510), (1370, 29670), (1380, 29455), (1644, 24725), (1725, 23564), (1978, 20550), (2055, 19780), (2150, 18906), (2300, 17673), (2580, 15755), (2740, 14835), (2967, 13700), (3151, 12900), (3225, 12604), (3425, 11868), (3450, 11782), (3956, 10275), (4110, 9890), (4300, 9453), (4945, 8220), (5891, 6900), (5934, 6850), (6302, 6450)]