78890280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4983

約数の個数: 128

約数和(自身を含む): 284774400

約数和(自身を除く): 205884120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4943, 5320, 7980, 9886, 14829, 15960, 19772, 24715, 29658, 34601, 39544, 49430, 59316, 69202, 74145, 93917, 98860, 103803, 118632, 138404, 148290, 173005, 187834, 197720, 207606, 276808, 281751, 296580, 346010, 375668, 415212, 469585, 519015, 563502, 593160, 657419, 692020, 751336, 830424, 939170, 1038030, 1127004, 1314838, 1384040, 1408755, 1878340, 1972257, 2076060, 2254008, 2629676, 2817510, 3287095, 3756680, 3944514, 4152120, 5259352, 5635020, 6574190, 7889028, 9861285, 11270040, 13148380, 15778056, 19722570, 26296760, 39445140, 78890280]

約数ペア:

[(1, 78890280), (2, 39445140), (3, 26296760), (4, 19722570), (5, 15778056), (6, 13148380), (7, 11270040), (8, 9861285), (10, 7889028), (12, 6574190), (14, 5635020), (15, 5259352), (19, 4152120), (20, 3944514), (21, 3756680), (24, 3287095), (28, 2817510), (30, 2629676), (35, 2254008), (38, 2076060), (40, 1972257), (42, 1878340), (56, 1408755), (57, 1384040), (60, 1314838), (70, 1127004), (76, 1038030), (84, 939170), (95, 830424), (105, 751336), (114, 692020), (120, 657419), (133, 593160), (140, 563502), (152, 519015), (168, 469585), (190, 415212), (210, 375668), (228, 346010), (266, 296580), (280, 281751), (285, 276808), (380, 207606), (399, 197720), (420, 187834), (456, 173005), (532, 148290), (570, 138404), (665, 118632), (760, 103803), (798, 98860), (840, 93917), (1064, 74145), (1140, 69202), (1330, 59316), (1596, 49430), (1995, 39544), (2280, 34601), (2660, 29658), (3192, 24715), (3990, 19772), (4943, 15960), (5320, 14829), (7980, 9886)]