28614240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 144

約数和(自身を含む): 100953216

約数和(自身を除く): 72338976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 641, 720, 744, 930, 992, 1116, 1240, 1282, 1395, 1440, 1488, 1860, 1923, 2232, 2480, 2564, 2790, 2976, 3205, 3720, 3846, 4464, 4960, 5128, 5580, 5769, 6410, 7440, 7692, 8928, 9615, 10256, 11160, 11538, 12820, 14880, 15384, 19230, 19871, 20512, 22320, 23076, 25640, 28845, 30768, 38460, 39742, 44640, 46152, 51280, 57690, 59613, 61536, 76920, 79484, 92304, 99355, 102560, 115380, 119226, 153840, 158968, 178839, 184608, 198710, 230760, 238452, 298065, 307680, 317936, 357678, 397420, 461520, 476904, 596130, 635872, 715356, 794840, 894195, 923040, 953808, 1192260, 1430712, 1589680, 1788390, 1907616, 2384520, 2861424, 3179360, 3576780, 4769040, 5722848, 7153560, 9538080, 14307120, 28614240]

約数ペア:

[(1, 28614240), (2, 14307120), (3, 9538080), (4, 7153560), (5, 5722848), (6, 4769040), (8, 3576780), (9, 3179360), (10, 2861424), (12, 2384520), (15, 1907616), (16, 1788390), (18, 1589680), (20, 1430712), (24, 1192260), (30, 953808), (31, 923040), (32, 894195), (36, 794840), (40, 715356), (45, 635872), (48, 596130), (60, 476904), (62, 461520), (72, 397420), (80, 357678), (90, 317936), (93, 307680), (96, 298065), (120, 238452), (124, 230760), (144, 198710), (155, 184608), (160, 178839), (180, 158968), (186, 153840), (240, 119226), (248, 115380), (279, 102560), (288, 99355), (310, 92304), (360, 79484), (372, 76920), (465, 61536), (480, 59613), (496, 57690), (558, 51280), (620, 46152), (641, 44640), (720, 39742), (744, 38460), (930, 30768), (992, 28845), (1116, 25640), (1240, 23076), (1282, 22320), (1395, 20512), (1440, 19871), (1488, 19230), (1860, 15384), (1923, 14880), (2232, 12820), (2480, 11538), (2564, 11160), (2790, 10256), (2976, 9615), (3205, 8928), (3720, 7692), (3846, 7440), (4464, 6410), (4960, 5769), (5128, 5580)]