420291360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{291869}}^1$

素因数の和:291890

約数の個数: 72

約数和(自身を含む): 1434249180

約数和(自身を除く): 1013957820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 291869, 583738, 875607, 1167476, 1459345, 1751214, 2334952, 2626821, 2918690, 3502428, 4378035, 4669904, 5253642, 5837380, 7004856, 8756070, 9339808, 10507284, 11674760, 13134105, 14009712, 17512140, 21014568, 23349520, 26268210, 28019424, 35024280, 42029136, 46699040, 52536420, 70048560, 84058272, 105072840, 140097120, 210145680, 420291360]

約数ペア:

[(1, 420291360), (2, 210145680), (3, 140097120), (4, 105072840), (5, 84058272), (6, 70048560), (8, 52536420), (9, 46699040), (10, 42029136), (12, 35024280), (15, 28019424), (16, 26268210), (18, 23349520), (20, 21014568), (24, 17512140), (30, 14009712), (32, 13134105), (36, 11674760), (40, 10507284), (45, 9339808), (48, 8756070), (60, 7004856), (72, 5837380), (80, 5253642), (90, 4669904), (96, 4378035), (120, 3502428), (144, 2918690), (160, 2626821), (180, 2334952), (240, 1751214), (288, 1459345), (360, 1167476), (480, 875607), (720, 583738), (1440, 291869)]