31145940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1342

約数の個数: 144

約数和(自身を含む): 113742720

約数和(自身を除く): 82596780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1301, 1330, 1596, 1710, 1995, 2394, 2602, 2660, 3420, 3903, 3990, 4788, 5204, 5985, 6505, 7806, 7980, 9107, 11709, 11970, 13010, 15612, 18214, 19515, 23418, 23940, 24719, 26020, 27321, 36428, 39030, 45535, 46836, 49438, 54642, 58545, 74157, 78060, 81963, 91070, 98876, 109284, 117090, 123595, 136605, 148314, 163926, 173033, 182140, 222471, 234180, 247190, 273210, 296628, 327852, 346066, 370785, 409815, 444942, 494380, 519099, 546420, 692132, 741570, 819630, 865165, 889884, 1038198, 1112355, 1483140, 1557297, 1639260, 1730330, 2076396, 2224710, 2595495, 3114594, 3460660, 4449420, 5190990, 6229188, 7786485, 10381980, 15572970, 31145940]

約数ペア:

[(1, 31145940), (2, 15572970), (3, 10381980), (4, 7786485), (5, 6229188), (6, 5190990), (7, 4449420), (9, 3460660), (10, 3114594), (12, 2595495), (14, 2224710), (15, 2076396), (18, 1730330), (19, 1639260), (20, 1557297), (21, 1483140), (28, 1112355), (30, 1038198), (35, 889884), (36, 865165), (38, 819630), (42, 741570), (45, 692132), (57, 546420), (60, 519099), (63, 494380), (70, 444942), (76, 409815), (84, 370785), (90, 346066), (95, 327852), (105, 296628), (114, 273210), (126, 247190), (133, 234180), (140, 222471), (171, 182140), (180, 173033), (190, 163926), (210, 148314), (228, 136605), (252, 123595), (266, 117090), (285, 109284), (315, 98876), (342, 91070), (380, 81963), (399, 78060), (420, 74157), (532, 58545), (570, 54642), (630, 49438), (665, 46836), (684, 45535), (798, 39030), (855, 36428), (1140, 27321), (1197, 26020), (1260, 24719), (1301, 23940), (1330, 23418), (1596, 19515), (1710, 18214), (1995, 15612), (2394, 13010), (2602, 11970), (2660, 11709), (3420, 9107), (3903, 7980), (3990, 7806), (4788, 6505), (5204, 5985)]