128440728

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 394363200

約数和(自身を除く): 265922472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 79, 81, 104, 108, 117, 156, 158, 162, 193, 216, 234, 237, 312, 316, 324, 351, 386, 468, 474, 579, 632, 648, 702, 711, 772, 936, 948, 1027, 1053, 1158, 1404, 1422, 1544, 1737, 1896, 2054, 2106, 2133, 2316, 2509, 2808, 2844, 3081, 3474, 4108, 4212, 4266, 4632, 5018, 5211, 5688, 6162, 6399, 6948, 7527, 8216, 8424, 8532, 9243, 10036, 10422, 12324, 12798, 13896, 15054, 15247, 15633, 17064, 18486, 20072, 20844, 22581, 24648, 25596, 27729, 30108, 30494, 31266, 36972, 41688, 45162, 45741, 51192, 55458, 60216, 60988, 62532, 67743, 73944, 83187, 90324, 91482, 110916, 121976, 125064, 135486, 137223, 166374, 180648, 182964, 198211, 203229, 221832, 270972, 274446, 332748, 365928, 396422, 406458, 411669, 541944, 548892, 594633, 665496, 792844, 812916, 823338, 1097784, 1189266, 1235007, 1585688, 1625832, 1646676, 1783899, 2378532, 2470014, 3293352, 3567798, 4757064, 4940028, 5351697, 7135596, 9880056, 10703394, 14271192, 16055091, 21406788, 32110182, 42813576, 64220364, 128440728]

約数ペア:

[(1, 128440728), (2, 64220364), (3, 42813576), (4, 32110182), (6, 21406788), (8, 16055091), (9, 14271192), (12, 10703394), (13, 9880056), (18, 7135596), (24, 5351697), (26, 4940028), (27, 4757064), (36, 3567798), (39, 3293352), (52, 2470014), (54, 2378532), (72, 1783899), (78, 1646676), (79, 1625832), (81, 1585688), (104, 1235007), (108, 1189266), (117, 1097784), (156, 823338), (158, 812916), (162, 792844), (193, 665496), (216, 594633), (234, 548892), (237, 541944), (312, 411669), (316, 406458), (324, 396422), (351, 365928), (386, 332748), (468, 274446), (474, 270972), (579, 221832), (632, 203229), (648, 198211), (702, 182964), (711, 180648), (772, 166374), (936, 137223), (948, 135486), (1027, 125064), (1053, 121976), (1158, 110916), (1404, 91482), (1422, 90324), (1544, 83187), (1737, 73944), (1896, 67743), (2054, 62532), (2106, 60988), (2133, 60216), (2316, 55458), (2509, 51192), (2808, 45741), (2844, 45162), (3081, 41688), (3474, 36972), (4108, 31266), (4212, 30494), (4266, 30108), (4632, 27729), (5018, 25596), (5211, 24648), (5688, 22581), (6162, 20844), (6399, 20072), (6948, 18486), (7527, 17064), (8216, 15633), (8424, 15247), (8532, 15054), (9243, 13896), (10036, 12798), (10422, 12324)]