72803920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4483}}^1$

素因数の和:4532

約数の個数: 80

約数和(自身を含む): 200165760

約数和(自身を除く): 127361840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4483, 8120, 8966, 16240, 17932, 22415, 31381, 35864, 44830, 62762, 71728, 89660, 125524, 130007, 156905, 179320, 251048, 260014, 313810, 358640, 502096, 520028, 627620, 650035, 910049, 1040056, 1255240, 1300070, 1820098, 2080112, 2510480, 2600140, 3640196, 4550245, 5200280, 7280392, 9100490, 10400560, 14560784, 18200980, 36401960, 72803920]

約数ペア:

[(1, 72803920), (2, 36401960), (4, 18200980), (5, 14560784), (7, 10400560), (8, 9100490), (10, 7280392), (14, 5200280), (16, 4550245), (20, 3640196), (28, 2600140), (29, 2510480), (35, 2080112), (40, 1820098), (56, 1300070), (58, 1255240), (70, 1040056), (80, 910049), (112, 650035), (116, 627620), (140, 520028), (145, 502096), (203, 358640), (232, 313810), (280, 260014), (290, 251048), (406, 179320), (464, 156905), (560, 130007), (580, 125524), (812, 89660), (1015, 71728), (1160, 62762), (1624, 44830), (2030, 35864), (2320, 31381), (3248, 22415), (4060, 17932), (4483, 16240), (8120, 8966)]