81785700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 180

約数和(自身を含む): 277273920

約数和(自身を除く): 195488220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 81, 90, 92, 100, 108, 115, 135, 138, 150, 162, 180, 207, 225, 230, 270, 276, 300, 324, 345, 405, 414, 439, 450, 460, 540, 575, 621, 675, 690, 810, 828, 878, 900, 1035, 1150, 1242, 1317, 1350, 1380, 1620, 1725, 1756, 1863, 2025, 2070, 2195, 2300, 2484, 2634, 2700, 3105, 3450, 3726, 3951, 4050, 4140, 4390, 5175, 5268, 6210, 6585, 6900, 7452, 7902, 8100, 8780, 9315, 10097, 10350, 10975, 11853, 12420, 13170, 15525, 15804, 18630, 19755, 20194, 20700, 21950, 23706, 26340, 30291, 31050, 32925, 35559, 37260, 39510, 40388, 43900, 46575, 47412, 50485, 59265, 60582, 62100, 65850, 71118, 79020, 90873, 93150, 98775, 100970, 118530, 121164, 131700, 142236, 151455, 177795, 181746, 186300, 197550, 201940, 237060, 252425, 272619, 296325, 302910, 355590, 363492, 395100, 454365, 504850, 545238, 592650, 605820, 711180, 757275, 817857, 888975, 908730, 1009700, 1090476, 1185300, 1363095, 1514550, 1635714, 1777950, 1817460, 2271825, 2726190, 3029100, 3271428, 3555900, 4089285, 4543650, 5452380, 6815475, 8178570, 9087300, 13630950, 16357140, 20446425, 27261900, 40892850, 81785700]

約数ペア:

[(1, 81785700), (2, 40892850), (3, 27261900), (4, 20446425), (5, 16357140), (6, 13630950), (9, 9087300), (10, 8178570), (12, 6815475), (15, 5452380), (18, 4543650), (20, 4089285), (23, 3555900), (25, 3271428), (27, 3029100), (30, 2726190), (36, 2271825), (45, 1817460), (46, 1777950), (50, 1635714), (54, 1514550), (60, 1363095), (69, 1185300), (75, 1090476), (81, 1009700), (90, 908730), (92, 888975), (100, 817857), (108, 757275), (115, 711180), (135, 605820), (138, 592650), (150, 545238), (162, 504850), (180, 454365), (207, 395100), (225, 363492), (230, 355590), (270, 302910), (276, 296325), (300, 272619), (324, 252425), (345, 237060), (405, 201940), (414, 197550), (439, 186300), (450, 181746), (460, 177795), (540, 151455), (575, 142236), (621, 131700), (675, 121164), (690, 118530), (810, 100970), (828, 98775), (878, 93150), (900, 90873), (1035, 79020), (1150, 71118), (1242, 65850), (1317, 62100), (1350, 60582), (1380, 59265), (1620, 50485), (1725, 47412), (1756, 46575), (1863, 43900), (2025, 40388), (2070, 39510), (2195, 37260), (2300, 35559), (2484, 32925), (2634, 31050), (2700, 30291), (3105, 26340), (3450, 23706), (3726, 21950), (3951, 20700), (4050, 20194), (4140, 19755), (4390, 18630), (5175, 15804), (5268, 15525), (6210, 13170), (6585, 12420), (6900, 11853), (7452, 10975), (7902, 10350), (8100, 10097), (8780, 9315)]