80732990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 172025856

約数和(自身を除く): 91292866

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 67, 115, 130, 134, 155, 169, 230, 299, 310, 335, 338, 403, 598, 670, 713, 806, 845, 871, 1426, 1495, 1541, 1690, 1742, 2015, 2077, 2990, 3082, 3565, 3887, 4030, 4154, 4355, 5239, 7130, 7705, 7774, 8710, 9269, 10385, 10478, 11323, 15410, 18538, 19435, 20033, 20770, 22646, 26195, 27001, 38870, 40066, 46345, 47771, 52390, 54002, 56615, 92690, 95542, 100165, 113230, 120497, 135005, 200330, 238855, 240994, 260429, 270010, 351013, 477710, 520858, 602485, 621023, 702026, 1204970, 1242046, 1302145, 1755065, 2604290, 3105115, 3510130, 6210230, 8073299, 16146598, 40366495, 80732990]

約数ペア:

[(1, 80732990), (2, 40366495), (5, 16146598), (10, 8073299), (13, 6210230), (23, 3510130), (26, 3105115), (31, 2604290), (46, 1755065), (62, 1302145), (65, 1242046), (67, 1204970), (115, 702026), (130, 621023), (134, 602485), (155, 520858), (169, 477710), (230, 351013), (299, 270010), (310, 260429), (335, 240994), (338, 238855), (403, 200330), (598, 135005), (670, 120497), (713, 113230), (806, 100165), (845, 95542), (871, 92690), (1426, 56615), (1495, 54002), (1541, 52390), (1690, 47771), (1742, 46345), (2015, 40066), (2077, 38870), (2990, 27001), (3082, 26195), (3565, 22646), (3887, 20770), (4030, 20033), (4154, 19435), (4355, 18538), (5239, 15410), (7130, 11323), (7705, 10478), (7774, 10385), (8710, 9269)]