80836080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 271487088

約数和(自身を除く): 190651008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 1993, 2028, 2535, 2704, 3120, 3380, 3986, 4056, 5070, 5979, 6760, 7972, 8112, 9965, 10140, 11958, 13520, 15944, 19930, 20280, 23916, 25909, 29895, 31888, 39860, 40560, 47832, 51818, 59790, 77727, 79720, 95664, 103636, 119580, 129545, 155454, 159440, 207272, 239160, 259090, 310908, 336817, 388635, 414544, 478320, 518180, 621816, 673634, 777270, 1010451, 1036360, 1243632, 1347268, 1554540, 1684085, 2020902, 2072720, 2694536, 3109080, 3368170, 4041804, 5052255, 5389072, 6218160, 6736340, 8083608, 10104510, 13472680, 16167216, 20209020, 26945360, 40418040, 80836080]

約数ペア:

[(1, 80836080), (2, 40418040), (3, 26945360), (4, 20209020), (5, 16167216), (6, 13472680), (8, 10104510), (10, 8083608), (12, 6736340), (13, 6218160), (15, 5389072), (16, 5052255), (20, 4041804), (24, 3368170), (26, 3109080), (30, 2694536), (39, 2072720), (40, 2020902), (48, 1684085), (52, 1554540), (60, 1347268), (65, 1243632), (78, 1036360), (80, 1010451), (104, 777270), (120, 673634), (130, 621816), (156, 518180), (169, 478320), (195, 414544), (208, 388635), (240, 336817), (260, 310908), (312, 259090), (338, 239160), (390, 207272), (507, 159440), (520, 155454), (624, 129545), (676, 119580), (780, 103636), (845, 95664), (1014, 79720), (1040, 77727), (1352, 59790), (1560, 51818), (1690, 47832), (1993, 40560), (2028, 39860), (2535, 31888), (2704, 29895), (3120, 25909), (3380, 23916), (3986, 20280), (4056, 19930), (5070, 15944), (5979, 13520), (6760, 11958), (7972, 10140), (8112, 9965)]