63872680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 152352000

約数和(自身を除く): 88479320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 367, 380, 458, 734, 760, 916, 1145, 1468, 1832, 1835, 2290, 2936, 3670, 4351, 4580, 6973, 7340, 8702, 9160, 13946, 14680, 17404, 21755, 27892, 34808, 34865, 43510, 55784, 69730, 84043, 87020, 139460, 168086, 174040, 278920, 336172, 420215, 672344, 840430, 1596817, 1680860, 3193634, 3361720, 6387268, 7984085, 12774536, 15968170, 31936340, 63872680]

約数ペア:

[(1, 63872680), (2, 31936340), (4, 15968170), (5, 12774536), (8, 7984085), (10, 6387268), (19, 3361720), (20, 3193634), (38, 1680860), (40, 1596817), (76, 840430), (95, 672344), (152, 420215), (190, 336172), (229, 278920), (367, 174040), (380, 168086), (458, 139460), (734, 87020), (760, 84043), (916, 69730), (1145, 55784), (1468, 43510), (1832, 34865), (1835, 34808), (2290, 27892), (2936, 21755), (3670, 17404), (4351, 14680), (4580, 13946), (6973, 9160), (7340, 8702)]