31978170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 95876352

約数和(自身を除く): 63898182

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 193, 210, 263, 315, 386, 526, 579, 630, 789, 965, 1158, 1315, 1351, 1578, 1737, 1841, 1930, 2367, 2630, 2702, 2895, 3474, 3682, 3945, 4053, 4734, 5523, 5790, 6755, 7890, 8106, 8685, 9205, 11046, 11835, 12159, 13510, 16569, 17370, 18410, 20265, 23670, 24318, 27615, 33138, 40530, 50759, 55230, 60795, 82845, 101518, 121590, 152277, 165690, 253795, 304554, 355313, 456831, 507590, 710626, 761385, 913662, 1065939, 1522770, 1776565, 2131878, 2284155, 3197817, 3553130, 4568310, 5329695, 6395634, 10659390, 15989085, 31978170]

約数ペア:

[(1, 31978170), (2, 15989085), (3, 10659390), (5, 6395634), (6, 5329695), (7, 4568310), (9, 3553130), (10, 3197817), (14, 2284155), (15, 2131878), (18, 1776565), (21, 1522770), (30, 1065939), (35, 913662), (42, 761385), (45, 710626), (63, 507590), (70, 456831), (90, 355313), (105, 304554), (126, 253795), (193, 165690), (210, 152277), (263, 121590), (315, 101518), (386, 82845), (526, 60795), (579, 55230), (630, 50759), (789, 40530), (965, 33138), (1158, 27615), (1315, 24318), (1351, 23670), (1578, 20265), (1737, 18410), (1841, 17370), (1930, 16569), (2367, 13510), (2630, 12159), (2702, 11835), (2895, 11046), (3474, 9205), (3682, 8685), (3945, 8106), (4053, 7890), (4734, 6755), (5523, 5790)]