77640000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 140

約数和(自身を含む): 257092704

約数和(自身を除く): 179452704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 647, 750, 800, 960, 1000, 1200, 1250, 1294, 1500, 1600, 1875, 1941, 2000, 2400, 2500, 2588, 3000, 3235, 3750, 3882, 4000, 4800, 5000, 5176, 6000, 6470, 7500, 7764, 8000, 9705, 10000, 10352, 12000, 12940, 15000, 15528, 16175, 19410, 20000, 20704, 24000, 25880, 30000, 31056, 32350, 38820, 40000, 41408, 48525, 51760, 60000, 62112, 64700, 77640, 80875, 97050, 103520, 120000, 124224, 129400, 155280, 161750, 194100, 207040, 242625, 258800, 310560, 323500, 388200, 404375, 485250, 517600, 621120, 647000, 776400, 808750, 970500, 1035200, 1213125, 1294000, 1552800, 1617500, 1941000, 2426250, 2588000, 3105600, 3235000, 3882000, 4852500, 5176000, 6470000, 7764000, 9705000, 12940000, 15528000, 19410000, 25880000, 38820000, 77640000]

約数ペア:

[(1, 77640000), (2, 38820000), (3, 25880000), (4, 19410000), (5, 15528000), (6, 12940000), (8, 9705000), (10, 7764000), (12, 6470000), (15, 5176000), (16, 4852500), (20, 3882000), (24, 3235000), (25, 3105600), (30, 2588000), (32, 2426250), (40, 1941000), (48, 1617500), (50, 1552800), (60, 1294000), (64, 1213125), (75, 1035200), (80, 970500), (96, 808750), (100, 776400), (120, 647000), (125, 621120), (150, 517600), (160, 485250), (192, 404375), (200, 388200), (240, 323500), (250, 310560), (300, 258800), (320, 242625), (375, 207040), (400, 194100), (480, 161750), (500, 155280), (600, 129400), (625, 124224), (647, 120000), (750, 103520), (800, 97050), (960, 80875), (1000, 77640), (1200, 64700), (1250, 62112), (1294, 60000), (1500, 51760), (1600, 48525), (1875, 41408), (1941, 40000), (2000, 38820), (2400, 32350), (2500, 31056), (2588, 30000), (3000, 25880), (3235, 24000), (3750, 20704), (3882, 20000), (4000, 19410), (4800, 16175), (5000, 15528), (5176, 15000), (6000, 12940), (6470, 12000), (7500, 10352), (7764, 10000), (8000, 9705)]