31479420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 101477376

約数和(自身を除く): 69997956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 311, 420, 482, 622, 723, 933, 964, 1205, 1244, 1446, 1555, 1687, 1866, 2177, 2410, 2892, 3110, 3374, 3615, 3732, 4354, 4665, 4820, 5061, 6220, 6531, 6748, 7230, 8435, 8708, 9330, 10122, 10885, 13062, 14460, 16870, 18660, 20244, 21770, 25305, 26124, 32655, 33740, 43540, 50610, 65310, 74951, 101220, 130620, 149902, 224853, 299804, 374755, 449706, 524657, 749510, 899412, 1049314, 1124265, 1499020, 1573971, 2098628, 2248530, 2623285, 3147942, 4497060, 5246570, 6295884, 7869855, 10493140, 15739710, 31479420]

約数ペア:

[(1, 31479420), (2, 15739710), (3, 10493140), (4, 7869855), (5, 6295884), (6, 5246570), (7, 4497060), (10, 3147942), (12, 2623285), (14, 2248530), (15, 2098628), (20, 1573971), (21, 1499020), (28, 1124265), (30, 1049314), (35, 899412), (42, 749510), (60, 524657), (70, 449706), (84, 374755), (105, 299804), (140, 224853), (210, 149902), (241, 130620), (311, 101220), (420, 74951), (482, 65310), (622, 50610), (723, 43540), (933, 33740), (964, 32655), (1205, 26124), (1244, 25305), (1446, 21770), (1555, 20244), (1687, 18660), (1866, 16870), (2177, 14460), (2410, 13062), (2892, 10885), (3110, 10122), (3374, 9330), (3615, 8708), (3732, 8435), (4354, 7230), (4665, 6748), (4820, 6531), (5061, 6220)]