161886900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 540409856

約数和(自身を除く): 378522956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 127, 140, 150, 175, 210, 254, 300, 350, 381, 420, 508, 525, 607, 635, 700, 762, 889, 1050, 1214, 1270, 1524, 1778, 1821, 1905, 2100, 2428, 2540, 2667, 3035, 3175, 3556, 3642, 3810, 4249, 4445, 5334, 6070, 6350, 7284, 7620, 8498, 8890, 9105, 9525, 10668, 12140, 12700, 12747, 13335, 15175, 16996, 17780, 18210, 19050, 21245, 22225, 25494, 26670, 30350, 36420, 38100, 42490, 44450, 45525, 50988, 53340, 60700, 63735, 66675, 77089, 84980, 88900, 91050, 106225, 127470, 133350, 154178, 182100, 212450, 231267, 254940, 266700, 308356, 318675, 385445, 424900, 462534, 539623, 637350, 770890, 925068, 1079246, 1156335, 1274700, 1541780, 1618869, 1927225, 2158492, 2312670, 2698115, 3237738, 3854450, 4625340, 5396230, 5781675, 6475476, 7708900, 8094345, 10792460, 11563350, 13490575, 16188690, 23126700, 26981150, 32377380, 40471725, 53962300, 80943450, 161886900]

約数ペア:

[(1, 161886900), (2, 80943450), (3, 53962300), (4, 40471725), (5, 32377380), (6, 26981150), (7, 23126700), (10, 16188690), (12, 13490575), (14, 11563350), (15, 10792460), (20, 8094345), (21, 7708900), (25, 6475476), (28, 5781675), (30, 5396230), (35, 4625340), (42, 3854450), (50, 3237738), (60, 2698115), (70, 2312670), (75, 2158492), (84, 1927225), (100, 1618869), (105, 1541780), (127, 1274700), (140, 1156335), (150, 1079246), (175, 925068), (210, 770890), (254, 637350), (300, 539623), (350, 462534), (381, 424900), (420, 385445), (508, 318675), (525, 308356), (607, 266700), (635, 254940), (700, 231267), (762, 212450), (889, 182100), (1050, 154178), (1214, 133350), (1270, 127470), (1524, 106225), (1778, 91050), (1821, 88900), (1905, 84980), (2100, 77089), (2428, 66675), (2540, 63735), (2667, 60700), (3035, 53340), (3175, 50988), (3556, 45525), (3642, 44450), (3810, 42490), (4249, 38100), (4445, 36420), (5334, 30350), (6070, 26670), (6350, 25494), (7284, 22225), (7620, 21245), (8498, 19050), (8890, 18210), (9105, 17780), (9525, 16996), (10668, 15175), (12140, 13335), (12700, 12747)]