7180740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 25683840

約数和(自身を除く): 18503100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 139, 140, 164, 180, 205, 210, 246, 252, 278, 287, 315, 369, 410, 417, 420, 492, 556, 574, 615, 630, 695, 738, 820, 834, 861, 973, 1148, 1230, 1251, 1260, 1390, 1435, 1476, 1668, 1722, 1845, 1946, 2085, 2460, 2502, 2583, 2780, 2870, 2919, 3444, 3690, 3892, 4170, 4305, 4865, 5004, 5166, 5699, 5740, 5838, 6255, 7380, 8340, 8610, 8757, 9730, 10332, 11398, 11676, 12510, 12915, 14595, 17097, 17220, 17514, 19460, 22796, 25020, 25830, 28495, 29190, 34194, 35028, 39893, 43785, 51291, 51660, 56990, 58380, 68388, 79786, 85485, 87570, 102582, 113980, 119679, 159572, 170970, 175140, 199465, 205164, 239358, 256455, 341940, 359037, 398930, 478716, 512910, 598395, 718074, 797860, 1025820, 1196790, 1436148, 1795185, 2393580, 3590370, 7180740]

約数ペア:

[(1, 7180740), (2, 3590370), (3, 2393580), (4, 1795185), (5, 1436148), (6, 1196790), (7, 1025820), (9, 797860), (10, 718074), (12, 598395), (14, 512910), (15, 478716), (18, 398930), (20, 359037), (21, 341940), (28, 256455), (30, 239358), (35, 205164), (36, 199465), (41, 175140), (42, 170970), (45, 159572), (60, 119679), (63, 113980), (70, 102582), (82, 87570), (84, 85485), (90, 79786), (105, 68388), (123, 58380), (126, 56990), (139, 51660), (140, 51291), (164, 43785), (180, 39893), (205, 35028), (210, 34194), (246, 29190), (252, 28495), (278, 25830), (287, 25020), (315, 22796), (369, 19460), (410, 17514), (417, 17220), (420, 17097), (492, 14595), (556, 12915), (574, 12510), (615, 11676), (630, 11398), (695, 10332), (738, 9730), (820, 8757), (834, 8610), (861, 8340), (973, 7380), (1148, 6255), (1230, 5838), (1251, 5740), (1260, 5699), (1390, 5166), (1435, 5004), (1476, 4865), (1668, 4305), (1722, 4170), (1845, 3892), (1946, 3690), (2085, 3444), (2460, 2919), (2502, 2870), (2583, 2780)]