51228720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:700

約数の個数: 160

約数和(自身を含む): 181506240

約数和(自身を除く): 130277520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 641, 666, 720, 740, 888, 999, 1080, 1110, 1282, 1332, 1480, 1665, 1776, 1923, 1998, 2160, 2220, 2564, 2664, 2960, 3205, 3330, 3846, 3996, 4440, 4995, 5128, 5328, 5769, 6410, 6660, 7692, 7992, 8880, 9615, 9990, 10256, 11538, 12820, 13320, 15384, 15984, 17307, 19230, 19980, 23076, 23717, 25640, 26640, 28845, 30768, 34614, 38460, 39960, 46152, 47434, 51280, 57690, 69228, 71151, 76920, 79920, 86535, 92304, 94868, 115380, 118585, 138456, 142302, 153840, 173070, 189736, 213453, 230760, 237170, 276912, 284604, 346140, 355755, 379472, 426906, 461520, 474340, 569208, 640359, 692280, 711510, 853812, 948680, 1067265, 1138416, 1280718, 1384560, 1423020, 1707624, 1897360, 2134530, 2561436, 2846040, 3201795, 3415248, 4269060, 5122872, 5692080, 6403590, 8538120, 10245744, 12807180, 17076240, 25614360, 51228720]

約数ペア:

[(1, 51228720), (2, 25614360), (3, 17076240), (4, 12807180), (5, 10245744), (6, 8538120), (8, 6403590), (9, 5692080), (10, 5122872), (12, 4269060), (15, 3415248), (16, 3201795), (18, 2846040), (20, 2561436), (24, 2134530), (27, 1897360), (30, 1707624), (36, 1423020), (37, 1384560), (40, 1280718), (45, 1138416), (48, 1067265), (54, 948680), (60, 853812), (72, 711510), (74, 692280), (80, 640359), (90, 569208), (108, 474340), (111, 461520), (120, 426906), (135, 379472), (144, 355755), (148, 346140), (180, 284604), (185, 276912), (216, 237170), (222, 230760), (240, 213453), (270, 189736), (296, 173070), (333, 153840), (360, 142302), (370, 138456), (432, 118585), (444, 115380), (540, 94868), (555, 92304), (592, 86535), (641, 79920), (666, 76920), (720, 71151), (740, 69228), (888, 57690), (999, 51280), (1080, 47434), (1110, 46152), (1282, 39960), (1332, 38460), (1480, 34614), (1665, 30768), (1776, 28845), (1923, 26640), (1998, 25640), (2160, 23717), (2220, 23076), (2564, 19980), (2664, 19230), (2960, 17307), (3205, 15984), (3330, 15384), (3846, 13320), (3996, 12820), (4440, 11538), (4995, 10256), (5128, 9990), (5328, 9615), (5769, 8880), (6410, 7992), (6660, 7692)]