493740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 1620528

約数和(自身を除く): 1126788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 260, 390, 422, 468, 585, 633, 780, 844, 1055, 1170, 1266, 1899, 2110, 2340, 2532, 2743, 3165, 3798, 4220, 5486, 6330, 7596, 8229, 9495, 10972, 12660, 13715, 16458, 18990, 24687, 27430, 32916, 37980, 41145, 49374, 54860, 82290, 98748, 123435, 164580, 246870, 493740]

約数ペア:

[(1, 493740), (2, 246870), (3, 164580), (4, 123435), (5, 98748), (6, 82290), (9, 54860), (10, 49374), (12, 41145), (13, 37980), (15, 32916), (18, 27430), (20, 24687), (26, 18990), (30, 16458), (36, 13715), (39, 12660), (45, 10972), (52, 9495), (60, 8229), (65, 7596), (78, 6330), (90, 5486), (117, 4220), (130, 3798), (156, 3165), (180, 2743), (195, 2532), (211, 2340), (234, 2110), (260, 1899), (390, 1266), (422, 1170), (468, 1055), (585, 844), (633, 780)]