30819120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128413}}^1$

素因数の和:128429

約数の個数: 40

約数和(自身を含む): 95540016

約数和(自身を除く): 64720896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128413, 256826, 385239, 513652, 642065, 770478, 1027304, 1284130, 1540956, 1926195, 2054608, 2568260, 3081912, 3852390, 5136520, 6163824, 7704780, 10273040, 15409560, 30819120]

約数ペア:

[(1, 30819120), (2, 15409560), (3, 10273040), (4, 7704780), (5, 6163824), (6, 5136520), (8, 3852390), (10, 3081912), (12, 2568260), (15, 2054608), (16, 1926195), (20, 1540956), (24, 1284130), (30, 1027304), (40, 770478), (48, 642065), (60, 513652), (80, 385239), (120, 256826), (240, 128413)]