81108750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 80

約数和(自身を含む): 207833472

約数和(自身を除く): 126724722

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 125, 129, 150, 215, 250, 258, 375, 430, 503, 625, 645, 750, 1006, 1075, 1250, 1290, 1509, 1875, 2150, 2515, 3018, 3225, 3750, 5030, 5375, 6450, 7545, 10750, 12575, 15090, 16125, 21629, 25150, 26875, 32250, 37725, 43258, 53750, 62875, 64887, 75450, 80625, 108145, 125750, 129774, 161250, 188625, 216290, 314375, 324435, 377250, 540725, 628750, 648870, 943125, 1081450, 1622175, 1886250, 2703625, 3244350, 5407250, 8110875, 13518125, 16221750, 27036250, 40554375, 81108750]

約数ペア:

[(1, 81108750), (2, 40554375), (3, 27036250), (5, 16221750), (6, 13518125), (10, 8110875), (15, 5407250), (25, 3244350), (30, 2703625), (43, 1886250), (50, 1622175), (75, 1081450), (86, 943125), (125, 648870), (129, 628750), (150, 540725), (215, 377250), (250, 324435), (258, 314375), (375, 216290), (430, 188625), (503, 161250), (625, 129774), (645, 125750), (750, 108145), (1006, 80625), (1075, 75450), (1250, 64887), (1290, 62875), (1509, 53750), (1875, 43258), (2150, 37725), (2515, 32250), (3018, 26875), (3225, 25150), (3750, 21629), (5030, 16125), (5375, 15090), (6450, 12575), (7545, 10750)]