205420680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570613}}^1$

素因数の和:570630

約数の個数: 48

約数和(自身を含む): 667618380

約数和(自身を除く): 462197700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570613, 1141226, 1711839, 2282452, 2853065, 3423678, 4564904, 5135517, 5706130, 6847356, 8559195, 10271034, 11412260, 13694712, 17118390, 20542068, 22824520, 25677585, 34236780, 41084136, 51355170, 68473560, 102710340, 205420680]

約数ペア:

[(1, 205420680), (2, 102710340), (3, 68473560), (4, 51355170), (5, 41084136), (6, 34236780), (8, 25677585), (9, 22824520), (10, 20542068), (12, 17118390), (15, 13694712), (18, 11412260), (20, 10271034), (24, 8559195), (30, 6847356), (36, 5706130), (40, 5135517), (45, 4564904), (60, 3423678), (72, 2853065), (90, 2282452), (120, 1711839), (180, 1141226), (360, 570613)]