71720100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 233735040

約数和(自身を除く): 162014940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 101, 108, 135, 150, 180, 202, 225, 263, 270, 300, 303, 404, 450, 505, 526, 540, 606, 675, 789, 900, 909, 1010, 1052, 1212, 1315, 1350, 1515, 1578, 1818, 2020, 2367, 2525, 2630, 2700, 2727, 3030, 3156, 3636, 3945, 4545, 4734, 5050, 5260, 5454, 6060, 6575, 7101, 7575, 7890, 9090, 9468, 10100, 10908, 11835, 13150, 13635, 14202, 15150, 15780, 18180, 19725, 22725, 23670, 26300, 26563, 27270, 28404, 30300, 35505, 39450, 45450, 47340, 53126, 54540, 59175, 68175, 71010, 78900, 79689, 90900, 106252, 118350, 132815, 136350, 142020, 159378, 177525, 236700, 239067, 265630, 272700, 318756, 355050, 398445, 478134, 531260, 664075, 710100, 717201, 796890, 956268, 1195335, 1328150, 1434402, 1593780, 1992225, 2390670, 2656300, 2868804, 3586005, 3984450, 4781340, 5976675, 7172010, 7968900, 11953350, 14344020, 17930025, 23906700, 35860050, 71720100]

約数ペア:

[(1, 71720100), (2, 35860050), (3, 23906700), (4, 17930025), (5, 14344020), (6, 11953350), (9, 7968900), (10, 7172010), (12, 5976675), (15, 4781340), (18, 3984450), (20, 3586005), (25, 2868804), (27, 2656300), (30, 2390670), (36, 1992225), (45, 1593780), (50, 1434402), (54, 1328150), (60, 1195335), (75, 956268), (90, 796890), (100, 717201), (101, 710100), (108, 664075), (135, 531260), (150, 478134), (180, 398445), (202, 355050), (225, 318756), (263, 272700), (270, 265630), (300, 239067), (303, 236700), (404, 177525), (450, 159378), (505, 142020), (526, 136350), (540, 132815), (606, 118350), (675, 106252), (789, 90900), (900, 79689), (909, 78900), (1010, 71010), (1052, 68175), (1212, 59175), (1315, 54540), (1350, 53126), (1515, 47340), (1578, 45450), (1818, 39450), (2020, 35505), (2367, 30300), (2525, 28404), (2630, 27270), (2700, 26563), (2727, 26300), (3030, 23670), (3156, 22725), (3636, 19725), (3945, 18180), (4545, 15780), (4734, 15150), (5050, 14202), (5260, 13635), (5454, 13150), (6060, 11835), (6575, 10908), (7101, 10100), (7575, 9468), (7890, 9090)]