1320403788

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1393

約数の個数: 144

約数和(自身を含む): 3813376000

約数和(自身を除く): 2492972212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 79, 99, 108, 121, 132, 158, 198, 237, 242, 297, 316, 363, 396, 474, 484, 594, 711, 726, 869, 948, 1089, 1188, 1279, 1422, 1452, 1738, 2133, 2178, 2558, 2607, 2844, 3267, 3476, 3837, 4266, 4356, 5116, 5214, 6534, 7674, 7821, 8532, 9559, 10428, 11511, 13068, 14069, 15348, 15642, 19118, 23022, 23463, 28138, 28677, 31284, 34533, 38236, 42207, 46044, 46926, 56276, 57354, 69066, 84414, 86031, 93852, 101041, 114708, 126621, 138132, 154759, 168828, 172062, 202082, 253242, 258093, 303123, 309518, 344124, 379863, 404164, 464277, 506484, 516186, 606246, 619036, 759726, 909369, 928554, 1032372, 1111451, 1212492, 1392831, 1519452, 1818738, 1857108, 2222902, 2728107, 2785662, 3334353, 3637476, 4178493, 4445804, 5456214, 5571324, 6668706, 8356986, 10003059, 10912428, 12225961, 13337412, 16713972, 20006118, 24451922, 30009177, 36677883, 40012236, 48903844, 60018354, 73355766, 110033649, 120036708, 146711532, 220067298, 330100947, 440134596, 660201894, 1320403788]

約数ペア:

[(1, 1320403788), (2, 660201894), (3, 440134596), (4, 330100947), (6, 220067298), (9, 146711532), (11, 120036708), (12, 110033649), (18, 73355766), (22, 60018354), (27, 48903844), (33, 40012236), (36, 36677883), (44, 30009177), (54, 24451922), (66, 20006118), (79, 16713972), (99, 13337412), (108, 12225961), (121, 10912428), (132, 10003059), (158, 8356986), (198, 6668706), (237, 5571324), (242, 5456214), (297, 4445804), (316, 4178493), (363, 3637476), (396, 3334353), (474, 2785662), (484, 2728107), (594, 2222902), (711, 1857108), (726, 1818738), (869, 1519452), (948, 1392831), (1089, 1212492), (1188, 1111451), (1279, 1032372), (1422, 928554), (1452, 909369), (1738, 759726), (2133, 619036), (2178, 606246), (2558, 516186), (2607, 506484), (2844, 464277), (3267, 404164), (3476, 379863), (3837, 344124), (4266, 309518), (4356, 303123), (5116, 258093), (5214, 253242), (6534, 202082), (7674, 172062), (7821, 168828), (8532, 154759), (9559, 138132), (10428, 126621), (11511, 114708), (13068, 101041), (14069, 93852), (15348, 86031), (15642, 84414), (19118, 69066), (23022, 57354), (23463, 56276), (28138, 46926), (28677, 46044), (31284, 42207), (34533, 38236)]