31465140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3981

約数の個数: 96

約数和(自身を含む): 106014720

約数和(自身を除く): 74549580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3943, 3990, 7886, 7980, 11829, 15772, 19715, 23658, 27601, 39430, 47316, 55202, 59145, 74917, 78860, 82803, 110404, 118290, 138005, 149834, 165606, 224751, 236580, 276010, 299668, 331212, 374585, 414015, 449502, 524419, 552020, 749170, 828030, 899004, 1048838, 1123755, 1498340, 1573257, 1656060, 2097676, 2247510, 2622095, 3146514, 4495020, 5244190, 6293028, 7866285, 10488380, 15732570, 31465140]

約数ペア:

[(1, 31465140), (2, 15732570), (3, 10488380), (4, 7866285), (5, 6293028), (6, 5244190), (7, 4495020), (10, 3146514), (12, 2622095), (14, 2247510), (15, 2097676), (19, 1656060), (20, 1573257), (21, 1498340), (28, 1123755), (30, 1048838), (35, 899004), (38, 828030), (42, 749170), (57, 552020), (60, 524419), (70, 449502), (76, 414015), (84, 374585), (95, 331212), (105, 299668), (114, 276010), (133, 236580), (140, 224751), (190, 165606), (210, 149834), (228, 138005), (266, 118290), (285, 110404), (380, 82803), (399, 78860), (420, 74917), (532, 59145), (570, 55202), (665, 47316), (798, 39430), (1140, 27601), (1330, 23658), (1596, 19715), (1995, 15772), (2660, 11829), (3943, 7980), (3990, 7886)]