13721220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2505

約数の個数: 72

約数和(自身を含む): 42981120

約数和(自身を除く): 29259900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2459, 2790, 4918, 5580, 7377, 9836, 12295, 14754, 22131, 24590, 29508, 36885, 44262, 49180, 73770, 76229, 88524, 110655, 147540, 152458, 221310, 228687, 304916, 381145, 442620, 457374, 686061, 762290, 914748, 1143435, 1372122, 1524580, 2286870, 2744244, 3430305, 4573740, 6860610, 13721220]

約数ペア:

[(1, 13721220), (2, 6860610), (3, 4573740), (4, 3430305), (5, 2744244), (6, 2286870), (9, 1524580), (10, 1372122), (12, 1143435), (15, 914748), (18, 762290), (20, 686061), (30, 457374), (31, 442620), (36, 381145), (45, 304916), (60, 228687), (62, 221310), (90, 152458), (93, 147540), (124, 110655), (155, 88524), (180, 76229), (186, 73770), (279, 49180), (310, 44262), (372, 36885), (465, 29508), (558, 24590), (620, 22131), (930, 14754), (1116, 12295), (1395, 9836), (1860, 7377), (2459, 5580), (2790, 4918)]