81145020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11177}}^1$

素因数の和:11211

約数の個数: 72

約数和(自身を含む): 249761232

約数和(自身を除く): 168616212

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 11177, 22354, 33531, 44708, 55885, 67062, 111770, 122947, 134124, 167655, 223540, 245894, 335310, 368841, 491788, 614735, 670620, 737682, 1229470, 1352417, 1475364, 1844205, 2458940, 2704834, 3688410, 4057251, 5409668, 6762085, 7376820, 8114502, 13524170, 16229004, 20286255, 27048340, 40572510, 81145020]

約数ペア:

[(1, 81145020), (2, 40572510), (3, 27048340), (4, 20286255), (5, 16229004), (6, 13524170), (10, 8114502), (11, 7376820), (12, 6762085), (15, 5409668), (20, 4057251), (22, 3688410), (30, 2704834), (33, 2458940), (44, 1844205), (55, 1475364), (60, 1352417), (66, 1229470), (110, 737682), (121, 670620), (132, 614735), (165, 491788), (220, 368841), (242, 335310), (330, 245894), (363, 223540), (484, 167655), (605, 134124), (660, 122947), (726, 111770), (1210, 67062), (1452, 55885), (1815, 44708), (2420, 33531), (3630, 22354), (7260, 11177)]