128472840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356869}}^1$

素因数の和:356886

約数の個数: 48

約数和(自身を含む): 417537900

約数和(自身を除く): 289065060

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, 356869, 713738, 1070607, 1427476, 1784345, 2141214, 2854952, 3211821, 3568690, 4282428, 5353035, 6423642, 7137380, 8564856, 10706070, 12847284, 14274760, 16059105, 21412140, 25694568, 32118210, 42824280, 64236420, 128472840]

約数ペア:

[(1, 128472840), (2, 64236420), (3, 42824280), (4, 32118210), (5, 25694568), (6, 21412140), (8, 16059105), (9, 14274760), (10, 12847284), (12, 10706070), (15, 8564856), (18, 7137380), (20, 6423642), (24, 5353035), (30, 4282428), (36, 3568690), (40, 3211821), (45, 2854952), (60, 2141214), (72, 1784345), (90, 1427476), (120, 1070607), (180, 713738), (360, 356869)]