78942060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 257695200

約数和(自身を除く): 178753140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 71, 87, 90, 108, 116, 135, 142, 145, 174, 180, 213, 261, 270, 284, 290, 348, 355, 426, 435, 522, 540, 580, 639, 710, 783, 852, 870, 1044, 1065, 1278, 1305, 1420, 1566, 1740, 1917, 2059, 2130, 2556, 2610, 3132, 3195, 3834, 3915, 4118, 4260, 5041, 5220, 6177, 6390, 7668, 7830, 8236, 9585, 10082, 10295, 12354, 12780, 15123, 15660, 18531, 19170, 20164, 20590, 24708, 25205, 30246, 30885, 37062, 38340, 41180, 45369, 50410, 55593, 60492, 61770, 74124, 75615, 90738, 92655, 100820, 111186, 123540, 136107, 146189, 151230, 181476, 185310, 222372, 226845, 272214, 277965, 292378, 302460, 370620, 438567, 453690, 544428, 555930, 584756, 680535, 730945, 877134, 907380, 1111860, 1315701, 1361070, 1461890, 1754268, 2192835, 2631402, 2722140, 2923780, 3947103, 4385670, 5262804, 6578505, 7894206, 8771340, 13157010, 15788412, 19735515, 26314020, 39471030, 78942060]

約数ペア:

[(1, 78942060), (2, 39471030), (3, 26314020), (4, 19735515), (5, 15788412), (6, 13157010), (9, 8771340), (10, 7894206), (12, 6578505), (15, 5262804), (18, 4385670), (20, 3947103), (27, 2923780), (29, 2722140), (30, 2631402), (36, 2192835), (45, 1754268), (54, 1461890), (58, 1361070), (60, 1315701), (71, 1111860), (87, 907380), (90, 877134), (108, 730945), (116, 680535), (135, 584756), (142, 555930), (145, 544428), (174, 453690), (180, 438567), (213, 370620), (261, 302460), (270, 292378), (284, 277965), (290, 272214), (348, 226845), (355, 222372), (426, 185310), (435, 181476), (522, 151230), (540, 146189), (580, 136107), (639, 123540), (710, 111186), (783, 100820), (852, 92655), (870, 90738), (1044, 75615), (1065, 74124), (1278, 61770), (1305, 60492), (1420, 55593), (1566, 50410), (1740, 45369), (1917, 41180), (2059, 38340), (2130, 37062), (2556, 30885), (2610, 30246), (3132, 25205), (3195, 24708), (3834, 20590), (3915, 20164), (4118, 19170), (4260, 18531), (5041, 15660), (5220, 15123), (6177, 12780), (6390, 12354), (7668, 10295), (7830, 10082), (8236, 9585)]