81756400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1139

約数の個数: 120

約数和(自身を含む): 227088144

約数和(自身を除く): 145331744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 340, 374, 400, 425, 440, 550, 680, 748, 850, 880, 935, 1093, 1100, 1360, 1496, 1700, 1870, 2186, 2200, 2992, 3400, 3740, 4372, 4400, 4675, 5465, 6800, 7480, 8744, 9350, 10930, 12023, 14960, 17488, 18581, 18700, 21860, 24046, 27325, 37162, 37400, 43720, 48092, 54650, 60115, 74324, 74800, 87440, 92905, 96184, 109300, 120230, 148648, 185810, 192368, 204391, 218600, 240460, 297296, 300575, 371620, 408782, 437200, 464525, 480920, 601150, 743240, 817564, 929050, 961840, 1021955, 1202300, 1486480, 1635128, 1858100, 2043910, 2404600, 3270256, 3716200, 4087820, 4809200, 5109775, 7432400, 8175640, 10219550, 16351280, 20439100, 40878200, 81756400]

約数ペア:

[(1, 81756400), (2, 40878200), (4, 20439100), (5, 16351280), (8, 10219550), (10, 8175640), (11, 7432400), (16, 5109775), (17, 4809200), (20, 4087820), (22, 3716200), (25, 3270256), (34, 2404600), (40, 2043910), (44, 1858100), (50, 1635128), (55, 1486480), (68, 1202300), (80, 1021955), (85, 961840), (88, 929050), (100, 817564), (110, 743240), (136, 601150), (170, 480920), (176, 464525), (187, 437200), (200, 408782), (220, 371620), (272, 300575), (275, 297296), (340, 240460), (374, 218600), (400, 204391), (425, 192368), (440, 185810), (550, 148648), (680, 120230), (748, 109300), (850, 96184), (880, 92905), (935, 87440), (1093, 74800), (1100, 74324), (1360, 60115), (1496, 54650), (1700, 48092), (1870, 43720), (2186, 37400), (2200, 37162), (2992, 27325), (3400, 24046), (3740, 21860), (4372, 18700), (4400, 18581), (4675, 17488), (5465, 14960), (6800, 12023), (7480, 10930), (8744, 9350)]