171959580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1780

約数の個数: 144

約数和(自身を含む): 575134560

約数和(自身を除く): 403174980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1709, 1935, 2236, 2340, 2580, 2795, 3354, 3418, 3870, 5031, 5127, 5590, 6708, 6836, 7740, 8385, 8545, 10062, 10254, 11180, 15381, 16770, 17090, 20124, 20508, 22217, 25155, 25635, 30762, 33540, 34180, 44434, 50310, 51270, 61524, 66651, 73487, 76905, 88868, 100620, 102540, 111085, 133302, 146974, 153810, 199953, 220461, 222170, 266604, 293948, 307620, 333255, 367435, 399906, 440922, 444340, 661383, 666510, 734870, 799812, 881844, 955331, 999765, 1102305, 1322766, 1333020, 1469740, 1910662, 1999530, 2204610, 2645532, 2865993, 3306915, 3821324, 3999060, 4409220, 4776655, 5731986, 6613830, 8597979, 9553310, 11463972, 13227660, 14329965, 17195958, 19106620, 28659930, 34391916, 42989895, 57319860, 85979790, 171959580]

約数ペア:

[(1, 171959580), (2, 85979790), (3, 57319860), (4, 42989895), (5, 34391916), (6, 28659930), (9, 19106620), (10, 17195958), (12, 14329965), (13, 13227660), (15, 11463972), (18, 9553310), (20, 8597979), (26, 6613830), (30, 5731986), (36, 4776655), (39, 4409220), (43, 3999060), (45, 3821324), (52, 3306915), (60, 2865993), (65, 2645532), (78, 2204610), (86, 1999530), (90, 1910662), (117, 1469740), (129, 1333020), (130, 1322766), (156, 1102305), (172, 999765), (180, 955331), (195, 881844), (215, 799812), (234, 734870), (258, 666510), (260, 661383), (387, 444340), (390, 440922), (430, 399906), (468, 367435), (516, 333255), (559, 307620), (585, 293948), (645, 266604), (774, 222170), (780, 220461), (860, 199953), (1118, 153810), (1170, 146974), (1290, 133302), (1548, 111085), (1677, 102540), (1709, 100620), (1935, 88868), (2236, 76905), (2340, 73487), (2580, 66651), (2795, 61524), (3354, 51270), (3418, 50310), (3870, 44434), (5031, 34180), (5127, 33540), (5590, 30762), (6708, 25635), (6836, 25155), (7740, 22217), (8385, 20508), (8545, 20124), (10062, 17090), (10254, 16770), (11180, 15381)]