980000520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2187

約数の個数: 128

約数和(自身を含む): 3059527680

約数和(自身を除く): 2079527160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 131, 155, 186, 248, 262, 310, 372, 393, 465, 524, 620, 655, 744, 786, 930, 1048, 1240, 1310, 1572, 1860, 1965, 2011, 2620, 3144, 3720, 3930, 4022, 4061, 5240, 6033, 7860, 8044, 8122, 10055, 12066, 12183, 15720, 16088, 16244, 20110, 20305, 24132, 24366, 30165, 32488, 40220, 40610, 48264, 48732, 60330, 60915, 62341, 80440, 81220, 97464, 120660, 121830, 124682, 162440, 187023, 241320, 243660, 249364, 263441, 311705, 374046, 487320, 498728, 526882, 623410, 748092, 790323, 935115, 1053764, 1246820, 1317205, 1496184, 1580646, 1870230, 2107528, 2493640, 2634410, 3161292, 3740460, 3951615, 5268820, 6322584, 7480920, 7903230, 8166671, 10537640, 15806460, 16333342, 24500013, 31612920, 32666684, 40833355, 49000026, 65333368, 81666710, 98000052, 122500065, 163333420, 196000104, 245000130, 326666840, 490000260, 980000520]

約数ペア:

[(1, 980000520), (2, 490000260), (3, 326666840), (4, 245000130), (5, 196000104), (6, 163333420), (8, 122500065), (10, 98000052), (12, 81666710), (15, 65333368), (20, 49000026), (24, 40833355), (30, 32666684), (31, 31612920), (40, 24500013), (60, 16333342), (62, 15806460), (93, 10537640), (120, 8166671), (124, 7903230), (131, 7480920), (155, 6322584), (186, 5268820), (248, 3951615), (262, 3740460), (310, 3161292), (372, 2634410), (393, 2493640), (465, 2107528), (524, 1870230), (620, 1580646), (655, 1496184), (744, 1317205), (786, 1246820), (930, 1053764), (1048, 935115), (1240, 790323), (1310, 748092), (1572, 623410), (1860, 526882), (1965, 498728), (2011, 487320), (2620, 374046), (3144, 311705), (3720, 263441), (3930, 249364), (4022, 243660), (4061, 241320), (5240, 187023), (6033, 162440), (7860, 124682), (8044, 121830), (8122, 120660), (10055, 97464), (12066, 81220), (12183, 80440), (15720, 62341), (16088, 60915), (16244, 60330), (20110, 48732), (20305, 48264), (24132, 40610), (24366, 40220), (30165, 32488)]