72850260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 241315200

約数和(自身を除く): 168464940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 349, 355, 420, 426, 490, 497, 588, 698, 710, 735, 852, 980, 994, 1047, 1065, 1396, 1420, 1470, 1491, 1745, 1988, 2094, 2130, 2443, 2485, 2940, 2982, 3479, 3490, 4188, 4260, 4886, 4970, 5235, 5964, 6958, 6980, 7329, 7455, 9772, 9940, 10437, 10470, 12215, 13916, 14658, 14910, 17101, 17395, 20874, 20940, 24430, 24779, 29316, 29820, 34202, 34790, 36645, 41748, 48860, 49558, 51303, 52185, 68404, 69580, 73290, 74337, 85505, 99116, 102606, 104370, 123895, 146580, 148674, 171010, 173453, 205212, 208740, 247790, 256515, 297348, 342020, 346906, 371685, 495580, 513030, 520359, 693812, 743370, 867265, 1026060, 1040718, 1214171, 1486740, 1734530, 2081436, 2428342, 2601795, 3469060, 3642513, 4856684, 5203590, 6070855, 7285026, 10407180, 12141710, 14570052, 18212565, 24283420, 36425130, 72850260]

約数ペア:

[(1, 72850260), (2, 36425130), (3, 24283420), (4, 18212565), (5, 14570052), (6, 12141710), (7, 10407180), (10, 7285026), (12, 6070855), (14, 5203590), (15, 4856684), (20, 3642513), (21, 3469060), (28, 2601795), (30, 2428342), (35, 2081436), (42, 1734530), (49, 1486740), (60, 1214171), (70, 1040718), (71, 1026060), (84, 867265), (98, 743370), (105, 693812), (140, 520359), (142, 513030), (147, 495580), (196, 371685), (210, 346906), (213, 342020), (245, 297348), (284, 256515), (294, 247790), (349, 208740), (355, 205212), (420, 173453), (426, 171010), (490, 148674), (497, 146580), (588, 123895), (698, 104370), (710, 102606), (735, 99116), (852, 85505), (980, 74337), (994, 73290), (1047, 69580), (1065, 68404), (1396, 52185), (1420, 51303), (1470, 49558), (1491, 48860), (1745, 41748), (1988, 36645), (2094, 34790), (2130, 34202), (2443, 29820), (2485, 29316), (2940, 24779), (2982, 24430), (3479, 20940), (3490, 20874), (4188, 17395), (4260, 17101), (4886, 14910), (4970, 14658), (5235, 13916), (5964, 12215), (6958, 10470), (6980, 10437), (7329, 9940), (7455, 9772)]