2644948920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{1949}}^1$

素因数の和:2269

約数の個数: 128

約数和(自身を含む): 8154432000

約数和(自身を除く): 5509483080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 263, 344, 430, 516, 526, 645, 789, 860, 1032, 1052, 1290, 1315, 1578, 1720, 1949, 2104, 2580, 2630, 3156, 3898, 3945, 5160, 5260, 5847, 6312, 7796, 7890, 9745, 10520, 11309, 11694, 15592, 15780, 19490, 22618, 23388, 29235, 31560, 33927, 38980, 45236, 46776, 56545, 58470, 67854, 77960, 83807, 90472, 113090, 116940, 135708, 167614, 169635, 226180, 233880, 251421, 271416, 335228, 339270, 419035, 452360, 502842, 512587, 670456, 678540, 838070, 1005684, 1025174, 1257105, 1357080, 1537761, 1676140, 2011368, 2050348, 2514210, 2562935, 3075522, 3352280, 4100696, 5028420, 5125870, 6151044, 7688805, 10056840, 10251740, 12302088, 15377610, 20503480, 22041241, 30755220, 44082482, 61510440, 66123723, 88164964, 110206205, 132247446, 176329928, 220412410, 264494892, 330618615, 440824820, 528989784, 661237230, 881649640, 1322474460, 2644948920]

約数ペア:

[(1, 2644948920), (2, 1322474460), (3, 881649640), (4, 661237230), (5, 528989784), (6, 440824820), (8, 330618615), (10, 264494892), (12, 220412410), (15, 176329928), (20, 132247446), (24, 110206205), (30, 88164964), (40, 66123723), (43, 61510440), (60, 44082482), (86, 30755220), (120, 22041241), (129, 20503480), (172, 15377610), (215, 12302088), (258, 10251740), (263, 10056840), (344, 7688805), (430, 6151044), (516, 5125870), (526, 5028420), (645, 4100696), (789, 3352280), (860, 3075522), (1032, 2562935), (1052, 2514210), (1290, 2050348), (1315, 2011368), (1578, 1676140), (1720, 1537761), (1949, 1357080), (2104, 1257105), (2580, 1025174), (2630, 1005684), (3156, 838070), (3898, 678540), (3945, 670456), (5160, 512587), (5260, 502842), (5847, 452360), (6312, 419035), (7796, 339270), (7890, 335228), (9745, 271416), (10520, 251421), (11309, 233880), (11694, 226180), (15592, 169635), (15780, 167614), (19490, 135708), (22618, 116940), (23388, 113090), (29235, 90472), (31560, 83807), (33927, 77960), (38980, 67854), (45236, 58470), (46776, 56545)]