77820000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{1297}}^1$

素因数の和:1330

約数の個数: 120

約数和(自身を含む): 255461976

約数和(自身を除く): 177641976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1297, 1500, 1875, 2000, 2400, 2500, 2594, 3000, 3750, 3891, 4000, 5000, 5188, 6000, 6485, 7500, 7782, 10000, 10376, 12000, 12970, 15000, 15564, 19455, 20000, 20752, 25940, 30000, 31128, 32425, 38910, 41504, 51880, 60000, 62256, 64850, 77820, 97275, 103760, 124512, 129700, 155640, 162125, 194550, 207520, 259400, 311280, 324250, 389100, 486375, 518800, 622560, 648500, 778200, 810625, 972750, 1037600, 1297000, 1556400, 1621250, 1945500, 2431875, 2594000, 3112800, 3242500, 3891000, 4863750, 5188000, 6485000, 7782000, 9727500, 12970000, 15564000, 19455000, 25940000, 38910000, 77820000]

約数ペア:

[(1, 77820000), (2, 38910000), (3, 25940000), (4, 19455000), (5, 15564000), (6, 12970000), (8, 9727500), (10, 7782000), (12, 6485000), (15, 5188000), (16, 4863750), (20, 3891000), (24, 3242500), (25, 3112800), (30, 2594000), (32, 2431875), (40, 1945500), (48, 1621250), (50, 1556400), (60, 1297000), (75, 1037600), (80, 972750), (96, 810625), (100, 778200), (120, 648500), (125, 622560), (150, 518800), (160, 486375), (200, 389100), (240, 324250), (250, 311280), (300, 259400), (375, 207520), (400, 194550), (480, 162125), (500, 155640), (600, 129700), (625, 124512), (750, 103760), (800, 97275), (1000, 77820), (1200, 64850), (1250, 62256), (1297, 60000), (1500, 51880), (1875, 41504), (2000, 38910), (2400, 32425), (2500, 31128), (2594, 30000), (3000, 25940), (3750, 20752), (3891, 20000), (4000, 19455), (5000, 15564), (5188, 15000), (6000, 12970), (6485, 12000), (7500, 10376), (7782, 10000)]