128712720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2963}}^1$

素因数の和:3160

約数の個数: 80

約数和(自身を含む): 401349312

約数和(自身を除く): 272636592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 2896, 2963, 3620, 4344, 5430, 5926, 7240, 8688, 8889, 10860, 11852, 14480, 14815, 17778, 21720, 23704, 29630, 35556, 43440, 44445, 47408, 59260, 71112, 88890, 118520, 142224, 177780, 237040, 355560, 536303, 711120, 1072606, 1608909, 2145212, 2681515, 3217818, 4290424, 5363030, 6435636, 8044545, 8580848, 10726060, 12871272, 16089090, 21452120, 25742544, 32178180, 42904240, 64356360, 128712720]

約数ペア:

[(1, 128712720), (2, 64356360), (3, 42904240), (4, 32178180), (5, 25742544), (6, 21452120), (8, 16089090), (10, 12871272), (12, 10726060), (15, 8580848), (16, 8044545), (20, 6435636), (24, 5363030), (30, 4290424), (40, 3217818), (48, 2681515), (60, 2145212), (80, 1608909), (120, 1072606), (181, 711120), (240, 536303), (362, 355560), (543, 237040), (724, 177780), (905, 142224), (1086, 118520), (1448, 88890), (1810, 71112), (2172, 59260), (2715, 47408), (2896, 44445), (2963, 43440), (3620, 35556), (4344, 29630), (5430, 23704), (5926, 21720), (7240, 17778), (8688, 14815), (8889, 14480), (10860, 11852)]