520121840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8521}}^1$

素因数の和:8650

約数の個数: 80

約数和(自身を含む): 1394880960

約数和(自身を除く): 874759120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7630, 8521, 8720, 12208, 15260, 17042, 30520, 34084, 42605, 59647, 61040, 68168, 85210, 119294, 136336, 170420, 238588, 298235, 340840, 477176, 596470, 681680, 928789, 954352, 1192940, 1857578, 2385880, 3715156, 4643945, 4771760, 6501523, 7430312, 9287890, 13003046, 14860624, 18575780, 26006092, 32507615, 37151560, 52012184, 65015230, 74303120, 104024368, 130030460, 260060920, 520121840]

約数ペア:

[(1, 520121840), (2, 260060920), (4, 130030460), (5, 104024368), (7, 74303120), (8, 65015230), (10, 52012184), (14, 37151560), (16, 32507615), (20, 26006092), (28, 18575780), (35, 14860624), (40, 13003046), (56, 9287890), (70, 7430312), (80, 6501523), (109, 4771760), (112, 4643945), (140, 3715156), (218, 2385880), (280, 1857578), (436, 1192940), (545, 954352), (560, 928789), (763, 681680), (872, 596470), (1090, 477176), (1526, 340840), (1744, 298235), (2180, 238588), (3052, 170420), (3815, 136336), (4360, 119294), (6104, 85210), (7630, 68168), (8521, 61040), (8720, 59647), (12208, 42605), (15260, 34084), (17042, 30520)]