157998120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1$

素因数の和:1047

約数の個数: 128

約数和(自身を含む): 544665600

約数和(自身を除く): 386667480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 787, 840, 956, 1195, 1434, 1574, 1673, 1912, 2361, 2390, 2868, 3148, 3346, 3585, 3935, 4722, 4780, 5019, 5509, 5736, 6296, 6692, 7170, 7870, 8365, 9444, 9560, 10038, 11018, 11805, 13384, 14340, 15740, 16527, 16730, 18888, 20076, 22036, 23610, 25095, 27545, 28680, 31480, 33054, 33460, 40152, 44072, 47220, 50190, 55090, 66108, 66920, 82635, 94440, 100380, 110180, 132216, 165270, 188093, 200760, 220360, 330540, 376186, 564279, 661080, 752372, 940465, 1128558, 1316651, 1504744, 1880930, 2257116, 2633302, 2821395, 3761860, 3949953, 4514232, 5266604, 5642790, 6583255, 7523720, 7899906, 10533208, 11285580, 13166510, 15799812, 19749765, 22571160, 26333020, 31599624, 39499530, 52666040, 78999060, 157998120]

約数ペア:

[(1, 157998120), (2, 78999060), (3, 52666040), (4, 39499530), (5, 31599624), (6, 26333020), (7, 22571160), (8, 19749765), (10, 15799812), (12, 13166510), (14, 11285580), (15, 10533208), (20, 7899906), (21, 7523720), (24, 6583255), (28, 5642790), (30, 5266604), (35, 4514232), (40, 3949953), (42, 3761860), (56, 2821395), (60, 2633302), (70, 2257116), (84, 1880930), (105, 1504744), (120, 1316651), (140, 1128558), (168, 940465), (210, 752372), (239, 661080), (280, 564279), (420, 376186), (478, 330540), (717, 220360), (787, 200760), (840, 188093), (956, 165270), (1195, 132216), (1434, 110180), (1574, 100380), (1673, 94440), (1912, 82635), (2361, 66920), (2390, 66108), (2868, 55090), (3148, 50190), (3346, 47220), (3585, 44072), (3935, 40152), (4722, 33460), (4780, 33054), (5019, 31480), (5509, 28680), (5736, 27545), (6296, 25095), (6692, 23610), (7170, 22036), (7870, 20076), (8365, 18888), (9444, 16730), (9560, 16527), (10038, 15740), (11018, 14340), (11805, 13384)]