2278123120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{312929}}^1$

素因数の和:312962

約数の個数: 80

約数和(自身を含む): 6518957760

約数和(自身を除く): 4240834640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 312929, 625858, 1251716, 1564645, 2190503, 2503432, 3129290, 4068077, 4381006, 5006864, 6258580, 8136154, 8762012, 10952515, 12517160, 16272308, 17524024, 20340385, 21905030, 25034320, 28476539, 32544616, 35048048, 40680770, 43810060, 56953078, 65089232, 81361540, 87620120, 113906156, 142382695, 162723080, 175240240, 227812312, 284765390, 325446160, 455624624, 569530780, 1139061560, 2278123120]

約数ペア:

[(1, 2278123120), (2, 1139061560), (4, 569530780), (5, 455624624), (7, 325446160), (8, 284765390), (10, 227812312), (13, 175240240), (14, 162723080), (16, 142382695), (20, 113906156), (26, 87620120), (28, 81361540), (35, 65089232), (40, 56953078), (52, 43810060), (56, 40680770), (65, 35048048), (70, 32544616), (80, 28476539), (91, 25034320), (104, 21905030), (112, 20340385), (130, 17524024), (140, 16272308), (182, 12517160), (208, 10952515), (260, 8762012), (280, 8136154), (364, 6258580), (455, 5006864), (520, 4381006), (560, 4068077), (728, 3129290), (910, 2503432), (1040, 2190503), (1456, 1564645), (1820, 1251716), (3640, 625858), (7280, 312929)]