2578986540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1054

約数の個数: 240

約数和(自身を含む): 8785355040

約数和(自身を除く): 6206368500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 139, 156, 162, 180, 195, 234, 260, 270, 278, 324, 351, 390, 405, 417, 468, 540, 556, 585, 695, 702, 780, 810, 834, 881, 1053, 1170, 1251, 1390, 1404, 1620, 1668, 1755, 1762, 1807, 2085, 2106, 2340, 2502, 2643, 2780, 3510, 3524, 3614, 3753, 4170, 4212, 4405, 5004, 5265, 5286, 5421, 6255, 7020, 7228, 7506, 7929, 8340, 8810, 9035, 10530, 10572, 10842, 11259, 11453, 12510, 13215, 15012, 15858, 16263, 17620, 18070, 18765, 21060, 21684, 22518, 22906, 23787, 25020, 26430, 27105, 31716, 32526, 34359, 36140, 37530, 39645, 45036, 45812, 47574, 48789, 52860, 54210, 56295, 57265, 65052, 68718, 71361, 75060, 79290, 81315, 95148, 97578, 103077, 108420, 112590, 114530, 118935, 122459, 137436, 142722, 146367, 158580, 162630, 171795, 195156, 206154, 225180, 229060, 237870, 243945, 244918, 285444, 292734, 309231, 325260, 343590, 356805, 367377, 412308, 475740, 487890, 489836, 515385, 585468, 612295, 618462, 687180, 713610, 731835, 734754, 927693, 975780, 1030770, 1102131, 1224590, 1236924, 1427220, 1463670, 1469508, 1546155, 1591967, 1836885, 1855386, 2061540, 2204262, 2449180, 2927340, 3092310, 3183934, 3306393, 3673770, 3710772, 4408524, 4638465, 4775901, 5510655, 6184620, 6367868, 6612786, 7347540, 7959835, 9276930, 9551802, 9919179, 11021310, 13225572, 14327703, 15919670, 16531965, 18553860, 19103604, 19838358, 22042620, 23879505, 28655406, 31839340, 33063930, 39676716, 42983109, 47759010, 49595895, 57310812, 66127860, 71638515, 85966218, 95518020, 99191790, 128949327, 143277030, 171932436, 198383580, 214915545, 257898654, 286554060, 429831090, 515797308, 644746635, 859662180, 1289493270, 2578986540]

約数ペア:

[(1, 2578986540), (2, 1289493270), (3, 859662180), (4, 644746635), (5, 515797308), (6, 429831090), (9, 286554060), (10, 257898654), (12, 214915545), (13, 198383580), (15, 171932436), (18, 143277030), (20, 128949327), (26, 99191790), (27, 95518020), (30, 85966218), (36, 71638515), (39, 66127860), (45, 57310812), (52, 49595895), (54, 47759010), (60, 42983109), (65, 39676716), (78, 33063930), (81, 31839340), (90, 28655406), (108, 23879505), (117, 22042620), (130, 19838358), (135, 19103604), (139, 18553860), (156, 16531965), (162, 15919670), (180, 14327703), (195, 13225572), (234, 11021310), (260, 9919179), (270, 9551802), (278, 9276930), (324, 7959835), (351, 7347540), (390, 6612786), (405, 6367868), (417, 6184620), (468, 5510655), (540, 4775901), (556, 4638465), (585, 4408524), (695, 3710772), (702, 3673770), (780, 3306393), (810, 3183934), (834, 3092310), (881, 2927340), (1053, 2449180), (1170, 2204262), (1251, 2061540), (1390, 1855386), (1404, 1836885), (1620, 1591967), (1668, 1546155), (1755, 1469508), (1762, 1463670), (1807, 1427220), (2085, 1236924), (2106, 1224590), (2340, 1102131), (2502, 1030770), (2643, 975780), (2780, 927693), (3510, 734754), (3524, 731835), (3614, 713610), (3753, 687180), (4170, 618462), (4212, 612295), (4405, 585468), (5004, 515385), (5265, 489836), (5286, 487890), (5421, 475740), (6255, 412308), (7020, 367377), (7228, 356805), (7506, 343590), (7929, 325260), (8340, 309231), (8810, 292734), (9035, 285444), (10530, 244918), (10572, 243945), (10842, 237870), (11259, 229060), (11453, 225180), (12510, 206154), (13215, 195156), (15012, 171795), (15858, 162630), (16263, 158580), (17620, 146367), (18070, 142722), (18765, 137436), (21060, 122459), (21684, 118935), (22518, 114530), (22906, 112590), (23787, 108420), (25020, 103077), (26430, 97578), (27105, 95148), (31716, 81315), (32526, 79290), (34359, 75060), (36140, 71361), (37530, 68718), (39645, 65052), (45036, 57265), (45812, 56295), (47574, 54210), (48789, 52860)]