28451520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 224

約数和(自身を含む): 104241600

約数和(自身を除く): 75790080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 89, 90, 96, 108, 111, 120, 135, 144, 148, 160, 178, 180, 185, 192, 216, 222, 240, 267, 270, 288, 296, 320, 333, 356, 360, 370, 432, 444, 445, 480, 534, 540, 555, 576, 592, 666, 712, 720, 740, 801, 864, 888, 890, 960, 999, 1068, 1080, 1110, 1184, 1332, 1335, 1424, 1440, 1480, 1602, 1665, 1728, 1776, 1780, 1998, 2136, 2160, 2220, 2368, 2403, 2664, 2670, 2848, 2880, 2960, 3204, 3293, 3330, 3552, 3560, 3996, 4005, 4272, 4320, 4440, 4806, 4995, 5328, 5340, 5696, 5920, 6408, 6586, 6660, 7104, 7120, 7992, 8010, 8544, 8640, 8880, 9612, 9879, 9990, 10656, 10680, 11840, 12015, 12816, 13172, 13320, 14240, 15984, 16020, 16465, 17088, 17760, 19224, 19758, 19980, 21312, 21360, 24030, 25632, 26344, 26640, 28480, 29637, 31968, 32040, 32930, 35520, 38448, 39516, 39960, 42720, 48060, 49395, 51264, 52688, 53280, 59274, 63936, 64080, 65860, 76896, 79032, 79920, 85440, 88911, 96120, 98790, 105376, 106560, 118548, 128160, 131720, 148185, 153792, 158064, 159840, 177822, 192240, 197580, 210752, 237096, 256320, 263440, 296370, 316128, 319680, 355644, 384480, 395160, 444555, 474192, 526880, 592740, 632256, 711288, 768960, 790320, 889110, 948384, 1053760, 1185480, 1422576, 1580640, 1778220, 1896768, 2370960, 2845152, 3161280, 3556440, 4741920, 5690304, 7112880, 9483840, 14225760, 28451520]

約数ペア:

[(1, 28451520), (2, 14225760), (3, 9483840), (4, 7112880), (5, 5690304), (6, 4741920), (8, 3556440), (9, 3161280), (10, 2845152), (12, 2370960), (15, 1896768), (16, 1778220), (18, 1580640), (20, 1422576), (24, 1185480), (27, 1053760), (30, 948384), (32, 889110), (36, 790320), (37, 768960), (40, 711288), (45, 632256), (48, 592740), (54, 526880), (60, 474192), (64, 444555), (72, 395160), (74, 384480), (80, 355644), (89, 319680), (90, 316128), (96, 296370), (108, 263440), (111, 256320), (120, 237096), (135, 210752), (144, 197580), (148, 192240), (160, 177822), (178, 159840), (180, 158064), (185, 153792), (192, 148185), (216, 131720), (222, 128160), (240, 118548), (267, 106560), (270, 105376), (288, 98790), (296, 96120), (320, 88911), (333, 85440), (356, 79920), (360, 79032), (370, 76896), (432, 65860), (444, 64080), (445, 63936), (480, 59274), (534, 53280), (540, 52688), (555, 51264), (576, 49395), (592, 48060), (666, 42720), (712, 39960), (720, 39516), (740, 38448), (801, 35520), (864, 32930), (888, 32040), (890, 31968), (960, 29637), (999, 28480), (1068, 26640), (1080, 26344), (1110, 25632), (1184, 24030), (1332, 21360), (1335, 21312), (1424, 19980), (1440, 19758), (1480, 19224), (1602, 17760), (1665, 17088), (1728, 16465), (1776, 16020), (1780, 15984), (1998, 14240), (2136, 13320), (2160, 13172), (2220, 12816), (2368, 12015), (2403, 11840), (2664, 10680), (2670, 10656), (2848, 9990), (2880, 9879), (2960, 9612), (3204, 8880), (3293, 8640), (3330, 8544), (3552, 8010), (3560, 7992), (3996, 7120), (4005, 7104), (4272, 6660), (4320, 6586), (4440, 6408), (4806, 5920), (4995, 5696), (5328, 5340)]