28118880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 103057920

約数和(自身を除く): 74939040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 283, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 566, 621, 690, 720, 736, 828, 849, 864, 920, 1035, 1080, 1104, 1132, 1242, 1380, 1415, 1440, 1656, 1698, 1840, 2070, 2160, 2208, 2264, 2484, 2547, 2760, 2830, 3105, 3312, 3396, 3680, 4140, 4245, 4320, 4528, 4968, 5094, 5520, 5660, 6210, 6509, 6624, 6792, 7641, 8280, 8490, 9056, 9936, 10188, 11040, 11320, 12420, 12735, 13018, 13584, 15282, 16560, 16980, 19527, 19872, 20376, 22640, 24840, 25470, 26036, 27168, 30564, 32545, 33120, 33960, 38205, 39054, 40752, 45280, 49680, 50940, 52072, 58581, 61128, 65090, 67920, 76410, 78108, 81504, 97635, 99360, 101880, 104144, 117162, 122256, 130180, 135840, 152820, 156216, 175743, 195270, 203760, 208288, 234324, 244512, 260360, 292905, 305640, 312432, 351486, 390540, 407520, 468648, 520720, 585810, 611280, 624864, 702972, 781080, 878715, 937296, 1041440, 1171620, 1222560, 1405944, 1562160, 1757430, 1874592, 2343240, 2811888, 3124320, 3514860, 4686480, 5623776, 7029720, 9372960, 14059440, 28118880]

約数ペア:

[(1, 28118880), (2, 14059440), (3, 9372960), (4, 7029720), (5, 5623776), (6, 4686480), (8, 3514860), (9, 3124320), (10, 2811888), (12, 2343240), (15, 1874592), (16, 1757430), (18, 1562160), (20, 1405944), (23, 1222560), (24, 1171620), (27, 1041440), (30, 937296), (32, 878715), (36, 781080), (40, 702972), (45, 624864), (46, 611280), (48, 585810), (54, 520720), (60, 468648), (69, 407520), (72, 390540), (80, 351486), (90, 312432), (92, 305640), (96, 292905), (108, 260360), (115, 244512), (120, 234324), (135, 208288), (138, 203760), (144, 195270), (160, 175743), (180, 156216), (184, 152820), (207, 135840), (216, 130180), (230, 122256), (240, 117162), (270, 104144), (276, 101880), (283, 99360), (288, 97635), (345, 81504), (360, 78108), (368, 76410), (414, 67920), (432, 65090), (460, 61128), (480, 58581), (540, 52072), (552, 50940), (566, 49680), (621, 45280), (690, 40752), (720, 39054), (736, 38205), (828, 33960), (849, 33120), (864, 32545), (920, 30564), (1035, 27168), (1080, 26036), (1104, 25470), (1132, 24840), (1242, 22640), (1380, 20376), (1415, 19872), (1440, 19527), (1656, 16980), (1698, 16560), (1840, 15282), (2070, 13584), (2160, 13018), (2208, 12735), (2264, 12420), (2484, 11320), (2547, 11040), (2760, 10188), (2830, 9936), (3105, 9056), (3312, 8490), (3396, 8280), (3680, 7641), (4140, 6792), (4245, 6624), (4320, 6509), (4528, 6210), (4968, 5660), (5094, 5520)]