78385680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108869}}^1$

素因数の和:108888

約数の個数: 60

約数和(自身を含む): 263247660

約数和(自身を除く): 184861980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 108869, 217738, 326607, 435476, 544345, 653214, 870952, 979821, 1088690, 1306428, 1633035, 1741904, 1959642, 2177380, 2612856, 3266070, 3919284, 4354760, 4899105, 5225712, 6532140, 7838568, 8709520, 9798210, 13064280, 15677136, 19596420, 26128560, 39192840, 78385680]

約数ペア:

[(1, 78385680), (2, 39192840), (3, 26128560), (4, 19596420), (5, 15677136), (6, 13064280), (8, 9798210), (9, 8709520), (10, 7838568), (12, 6532140), (15, 5225712), (16, 4899105), (18, 4354760), (20, 3919284), (24, 3266070), (30, 2612856), (36, 2177380), (40, 1959642), (45, 1741904), (48, 1633035), (60, 1306428), (72, 1088690), (80, 979821), (90, 870952), (120, 653214), (144, 544345), (180, 435476), (240, 326607), (360, 217738), (720, 108869)]