128740020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57991}}^1$

素因数の和:58040

約数の個数: 48

約数和(自身を含む): 370220928

約数和(自身を除く): 241480908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 57991, 115982, 173973, 231964, 289955, 347946, 579910, 695892, 869865, 1159820, 1739730, 2145667, 3479460, 4291334, 6437001, 8582668, 10728335, 12874002, 21456670, 25748004, 32185005, 42913340, 64370010, 128740020]

約数ペア:

[(1, 128740020), (2, 64370010), (3, 42913340), (4, 32185005), (5, 25748004), (6, 21456670), (10, 12874002), (12, 10728335), (15, 8582668), (20, 6437001), (30, 4291334), (37, 3479460), (60, 2145667), (74, 1739730), (111, 1159820), (148, 869865), (185, 695892), (222, 579910), (370, 347946), (444, 289955), (555, 231964), (740, 173973), (1110, 115982), (2220, 57991)]