2018072560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1949}}^1$

素因数の和:2055

約数の個数: 120

約数和(自身を含む): 5492728800

約数和(自身を除く): 3474656240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 1849, 1949, 2408, 3010, 3440, 3698, 3898, 4816, 6020, 7396, 7796, 9245, 9745, 12040, 12943, 13643, 14792, 15592, 18490, 19490, 24080, 25886, 27286, 29584, 31184, 36980, 38980, 51772, 54572, 64715, 68215, 73960, 77960, 83807, 103544, 109144, 129430, 136430, 147920, 155920, 167614, 207088, 218288, 258860, 272860, 335228, 419035, 517720, 545720, 586649, 670456, 838070, 1035440, 1091440, 1173298, 1340912, 1676140, 2346596, 2933245, 3352280, 3603701, 4693192, 5866490, 6704560, 7207402, 9386384, 11732980, 14414804, 18018505, 23465960, 25225907, 28829608, 36037010, 46931920, 50451814, 57659216, 72074020, 100903628, 126129535, 144148040, 201807256, 252259070, 288296080, 403614512, 504518140, 1009036280, 2018072560]

約数ペア:

[(1, 2018072560), (2, 1009036280), (4, 504518140), (5, 403614512), (7, 288296080), (8, 252259070), (10, 201807256), (14, 144148040), (16, 126129535), (20, 100903628), (28, 72074020), (35, 57659216), (40, 50451814), (43, 46931920), (56, 36037010), (70, 28829608), (80, 25225907), (86, 23465960), (112, 18018505), (140, 14414804), (172, 11732980), (215, 9386384), (280, 7207402), (301, 6704560), (344, 5866490), (430, 4693192), (560, 3603701), (602, 3352280), (688, 2933245), (860, 2346596), (1204, 1676140), (1505, 1340912), (1720, 1173298), (1849, 1091440), (1949, 1035440), (2408, 838070), (3010, 670456), (3440, 586649), (3698, 545720), (3898, 517720), (4816, 419035), (6020, 335228), (7396, 272860), (7796, 258860), (9245, 218288), (9745, 207088), (12040, 167614), (12943, 155920), (13643, 147920), (14792, 136430), (15592, 129430), (18490, 109144), (19490, 103544), (24080, 83807), (25886, 77960), (27286, 73960), (29584, 68215), (31184, 64715), (36980, 54572), (38980, 51772)]