1878880720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{634757}}^1$

素因数の和:634807

約数の個数: 40

約数和(自身を含む): 4486469544

約数和(自身を除く): 2607588824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 634757, 1269514, 2539028, 3173785, 5078056, 6347570, 10156112, 12695140, 23486009, 25390280, 46972018, 50780560, 93944036, 117430045, 187888072, 234860090, 375776144, 469720180, 939440360, 1878880720]

約数ペア:

[(1, 1878880720), (2, 939440360), (4, 469720180), (5, 375776144), (8, 234860090), (10, 187888072), (16, 117430045), (20, 93944036), (37, 50780560), (40, 46972018), (74, 25390280), (80, 23486009), (148, 12695140), (185, 10156112), (296, 6347570), (370, 5078056), (592, 3173785), (740, 2539028), (1480, 1269514), (2960, 634757)]