71982540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 259660800

約数和(自身を除く): 187678260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 137, 139, 140, 180, 189, 210, 252, 270, 274, 278, 315, 378, 411, 417, 420, 540, 548, 556, 630, 685, 695, 756, 822, 834, 945, 959, 973, 1233, 1251, 1260, 1370, 1390, 1644, 1668, 1890, 1918, 1946, 2055, 2085, 2466, 2502, 2740, 2780, 2877, 2919, 3699, 3753, 3780, 3836, 3892, 4110, 4170, 4795, 4865, 4932, 5004, 5754, 5838, 6165, 6255, 7398, 7506, 8220, 8340, 8631, 8757, 9590, 9730, 11508, 11676, 12330, 12510, 14385, 14595, 14796, 15012, 17262, 17514, 18495, 18765, 19043, 19180, 19460, 24660, 25020, 25893, 26271, 28770, 29190, 34524, 35028, 36990, 37530, 38086, 43155, 43785, 51786, 52542, 57129, 57540, 58380, 73980, 75060, 76172, 86310, 87570, 95215, 103572, 105084, 114258, 129465, 131355, 133301, 171387, 172620, 175140, 190430, 228516, 258930, 262710, 266602, 285645, 342774, 380860, 399903, 514161, 517860, 525420, 533204, 571290, 666505, 685548, 799806, 856935, 1028322, 1142580, 1199709, 1333010, 1599612, 1713870, 1999515, 2056644, 2399418, 2570805, 2666020, 3427740, 3599127, 3999030, 4798836, 5141610, 5998545, 7198254, 7998060, 10283220, 11997090, 14396508, 17995635, 23994180, 35991270, 71982540]

約数ペア:

[(1, 71982540), (2, 35991270), (3, 23994180), (4, 17995635), (5, 14396508), (6, 11997090), (7, 10283220), (9, 7998060), (10, 7198254), (12, 5998545), (14, 5141610), (15, 4798836), (18, 3999030), (20, 3599127), (21, 3427740), (27, 2666020), (28, 2570805), (30, 2399418), (35, 2056644), (36, 1999515), (42, 1713870), (45, 1599612), (54, 1333010), (60, 1199709), (63, 1142580), (70, 1028322), (84, 856935), (90, 799806), (105, 685548), (108, 666505), (126, 571290), (135, 533204), (137, 525420), (139, 517860), (140, 514161), (180, 399903), (189, 380860), (210, 342774), (252, 285645), (270, 266602), (274, 262710), (278, 258930), (315, 228516), (378, 190430), (411, 175140), (417, 172620), (420, 171387), (540, 133301), (548, 131355), (556, 129465), (630, 114258), (685, 105084), (695, 103572), (756, 95215), (822, 87570), (834, 86310), (945, 76172), (959, 75060), (973, 73980), (1233, 58380), (1251, 57540), (1260, 57129), (1370, 52542), (1390, 51786), (1644, 43785), (1668, 43155), (1890, 38086), (1918, 37530), (1946, 36990), (2055, 35028), (2085, 34524), (2466, 29190), (2502, 28770), (2740, 26271), (2780, 25893), (2877, 25020), (2919, 24660), (3699, 19460), (3753, 19180), (3780, 19043), (3836, 18765), (3892, 18495), (4110, 17514), (4170, 17262), (4795, 15012), (4865, 14796), (4932, 14595), (5004, 14385), (5754, 12510), (5838, 12330), (6165, 11676), (6255, 11508), (7398, 9730), (7506, 9590), (8220, 8757), (8340, 8631)]