988729080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 3032640000

約数和(自身を除く): 2043910920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 359, 389, 472, 590, 708, 718, 778, 885, 1077, 1167, 1180, 1416, 1436, 1556, 1770, 1795, 1945, 2154, 2334, 2360, 2872, 3112, 3540, 3590, 3890, 4308, 4668, 5385, 5835, 7080, 7180, 7780, 8616, 9336, 10770, 11670, 14360, 15560, 21181, 21540, 22951, 23340, 42362, 43080, 45902, 46680, 63543, 68853, 84724, 91804, 105905, 114755, 127086, 137706, 139651, 169448, 183608, 211810, 229510, 254172, 275412, 279302, 317715, 344265, 418953, 423620, 459020, 508344, 550824, 558604, 635430, 688530, 698255, 837906, 847240, 918040, 1117208, 1270860, 1377060, 1396510, 1675812, 2094765, 2541720, 2754120, 2793020, 3351624, 4189530, 5586040, 8239409, 8379060, 16478818, 16758120, 24718227, 32957636, 41197045, 49436454, 65915272, 82394090, 98872908, 123591135, 164788180, 197745816, 247182270, 329576360, 494364540, 988729080]

約数ペア:

[(1, 988729080), (2, 494364540), (3, 329576360), (4, 247182270), (5, 197745816), (6, 164788180), (8, 123591135), (10, 98872908), (12, 82394090), (15, 65915272), (20, 49436454), (24, 41197045), (30, 32957636), (40, 24718227), (59, 16758120), (60, 16478818), (118, 8379060), (120, 8239409), (177, 5586040), (236, 4189530), (295, 3351624), (354, 2793020), (359, 2754120), (389, 2541720), (472, 2094765), (590, 1675812), (708, 1396510), (718, 1377060), (778, 1270860), (885, 1117208), (1077, 918040), (1167, 847240), (1180, 837906), (1416, 698255), (1436, 688530), (1556, 635430), (1770, 558604), (1795, 550824), (1945, 508344), (2154, 459020), (2334, 423620), (2360, 418953), (2872, 344265), (3112, 317715), (3540, 279302), (3590, 275412), (3890, 254172), (4308, 229510), (4668, 211810), (5385, 183608), (5835, 169448), (7080, 139651), (7180, 137706), (7780, 127086), (8616, 114755), (9336, 105905), (10770, 91804), (11670, 84724), (14360, 68853), (15560, 63543), (21181, 46680), (21540, 45902), (22951, 43080), (23340, 42362)]