180339840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 630115200

約数和(自身を除く): 449775360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 131, 144, 160, 180, 192, 239, 240, 262, 288, 320, 360, 384, 393, 478, 480, 524, 576, 640, 655, 717, 720, 786, 956, 960, 1048, 1152, 1179, 1195, 1310, 1434, 1440, 1572, 1912, 1920, 1965, 2096, 2151, 2358, 2390, 2620, 2868, 2880, 3144, 3585, 3824, 3930, 4192, 4302, 4716, 4780, 5240, 5736, 5760, 5895, 6288, 7170, 7648, 7860, 8384, 8604, 9432, 9560, 10480, 10755, 11472, 11790, 12576, 14340, 15296, 15720, 16768, 17208, 18864, 19120, 20960, 21510, 22944, 23580, 25152, 28680, 30592, 31309, 31440, 34416, 37728, 38240, 41920, 43020, 45888, 47160, 50304, 57360, 62618, 62880, 68832, 75456, 76480, 83840, 86040, 91776, 93927, 94320, 114720, 125236, 125760, 137664, 150912, 152960, 156545, 172080, 187854, 188640, 229440, 250472, 251520, 275328, 281781, 313090, 344160, 375708, 377280, 458880, 469635, 500944, 563562, 626180, 688320, 751416, 754560, 939270, 1001888, 1127124, 1252360, 1376640, 1408905, 1502832, 1878540, 2003776, 2254248, 2504720, 2817810, 3005664, 3757080, 4007552, 4508496, 5009440, 5635620, 6011328, 7514160, 9016992, 10018880, 11271240, 12022656, 15028320, 18033984, 20037760, 22542480, 30056640, 36067968, 45084960, 60113280, 90169920, 180339840]

約数ペア:

[(1, 180339840), (2, 90169920), (3, 60113280), (4, 45084960), (5, 36067968), (6, 30056640), (8, 22542480), (9, 20037760), (10, 18033984), (12, 15028320), (15, 12022656), (16, 11271240), (18, 10018880), (20, 9016992), (24, 7514160), (30, 6011328), (32, 5635620), (36, 5009440), (40, 4508496), (45, 4007552), (48, 3757080), (60, 3005664), (64, 2817810), (72, 2504720), (80, 2254248), (90, 2003776), (96, 1878540), (120, 1502832), (128, 1408905), (131, 1376640), (144, 1252360), (160, 1127124), (180, 1001888), (192, 939270), (239, 754560), (240, 751416), (262, 688320), (288, 626180), (320, 563562), (360, 500944), (384, 469635), (393, 458880), (478, 377280), (480, 375708), (524, 344160), (576, 313090), (640, 281781), (655, 275328), (717, 251520), (720, 250472), (786, 229440), (956, 188640), (960, 187854), (1048, 172080), (1152, 156545), (1179, 152960), (1195, 150912), (1310, 137664), (1434, 125760), (1440, 125236), (1572, 114720), (1912, 94320), (1920, 93927), (1965, 91776), (2096, 86040), (2151, 83840), (2358, 76480), (2390, 75456), (2620, 68832), (2868, 62880), (2880, 62618), (3144, 57360), (3585, 50304), (3824, 47160), (3930, 45888), (4192, 43020), (4302, 41920), (4716, 38240), (4780, 37728), (5240, 34416), (5736, 31440), (5760, 31309), (5895, 30592), (6288, 28680), (7170, 25152), (7648, 23580), (7860, 22944), (8384, 21510), (8604, 20960), (9432, 19120), (9560, 18864), (10480, 17208), (10755, 16768), (11472, 15720), (11790, 15296), (12576, 14340)]