28020542040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77834839}}^1$

素因数の和:77834856

約数の個数: 48

約数和(自身を含む): 91066762800

約数和(自身を除く): 63046220760

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, 77834839, 155669678, 233504517, 311339356, 389174195, 467009034, 622678712, 700513551, 778348390, 934018068, 1167522585, 1401027102, 1556696780, 1868036136, 2335045170, 2802054204, 3113393560, 3502567755, 4670090340, 5604108408, 7005135510, 9340180680, 14010271020, 28020542040]

約数ペア:

[(1, 28020542040), (2, 14010271020), (3, 9340180680), (4, 7005135510), (5, 5604108408), (6, 4670090340), (8, 3502567755), (9, 3113393560), (10, 2802054204), (12, 2335045170), (15, 1868036136), (18, 1556696780), (20, 1401027102), (24, 1167522585), (30, 934018068), (36, 778348390), (40, 700513551), (45, 622678712), (60, 467009034), (72, 389174195), (90, 311339356), (120, 233504517), (180, 155669678), (360, 77834839)]