13237840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 39184992

約数和(自身を除く): 25947152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 307, 308, 385, 392, 440, 490, 539, 560, 614, 616, 770, 784, 880, 980, 1078, 1228, 1232, 1535, 1540, 1960, 2149, 2156, 2456, 2695, 3070, 3080, 3377, 3920, 4298, 4312, 4912, 5390, 6140, 6160, 6754, 8596, 8624, 10745, 10780, 12280, 13508, 15043, 16885, 17192, 21490, 21560, 23639, 24560, 27016, 30086, 33770, 34384, 42980, 43120, 47278, 54032, 60172, 67540, 75215, 85960, 94556, 118195, 120344, 135080, 150430, 165473, 171920, 189112, 236390, 240688, 270160, 300860, 330946, 378224, 472780, 601720, 661892, 827365, 945560, 1203440, 1323784, 1654730, 1891120, 2647568, 3309460, 6618920, 13237840]

約数ペア:

[(1, 13237840), (2, 6618920), (4, 3309460), (5, 2647568), (7, 1891120), (8, 1654730), (10, 1323784), (11, 1203440), (14, 945560), (16, 827365), (20, 661892), (22, 601720), (28, 472780), (35, 378224), (40, 330946), (44, 300860), (49, 270160), (55, 240688), (56, 236390), (70, 189112), (77, 171920), (80, 165473), (88, 150430), (98, 135080), (110, 120344), (112, 118195), (140, 94556), (154, 85960), (176, 75215), (196, 67540), (220, 60172), (245, 54032), (280, 47278), (307, 43120), (308, 42980), (385, 34384), (392, 33770), (440, 30086), (490, 27016), (539, 24560), (560, 23639), (614, 21560), (616, 21490), (770, 17192), (784, 16885), (880, 15043), (980, 13508), (1078, 12280), (1228, 10780), (1232, 10745), (1535, 8624), (1540, 8596), (1960, 6754), (2149, 6160), (2156, 6140), (2456, 5390), (2695, 4912), (3070, 4312), (3080, 4298), (3377, 3920)]