28866240

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 224

約数和(自身を含む): 110093760

約数和(自身を除く): 81227520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 257, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 514, 520, 540, 576, 585, 624, 702, 720, 771, 780, 832, 864, 936, 960, 1028, 1040, 1080, 1170, 1248, 1285, 1404, 1440, 1542, 1560, 1728, 1755, 1872, 2056, 2080, 2160, 2313, 2340, 2496, 2570, 2808, 2880, 3084, 3120, 3341, 3510, 3744, 3855, 4112, 4160, 4320, 4626, 4680, 5140, 5616, 6168, 6240, 6682, 6939, 7020, 7488, 7710, 8224, 8640, 9252, 9360, 10023, 10280, 11232, 11565, 12336, 12480, 13364, 13878, 14040, 15420, 16448, 16705, 18504, 18720, 20046, 20560, 22464, 23130, 24672, 26728, 27756, 28080, 30069, 30840, 33410, 34695, 37008, 37440, 40092, 41120, 46260, 49344, 50115, 53456, 55512, 56160, 60138, 61680, 66820, 69390, 74016, 80184, 82240, 90207, 92520, 100230, 106912, 111024, 112320, 120276, 123360, 133640, 138780, 148032, 150345, 160368, 180414, 185040, 200460, 213824, 222048, 240552, 246720, 267280, 277560, 300690, 320736, 360828, 370080, 400920, 444096, 451035, 481104, 534560, 555120, 601380, 641472, 721656, 740160, 801840, 902070, 962208, 1069120, 1110240, 1202760, 1443312, 1603680, 1804140, 1924416, 2220480, 2405520, 2886624, 3207360, 3608280, 4811040, 5773248, 7216560, 9622080, 14433120, 28866240]

約数ペア:

[(1, 28866240), (2, 14433120), (3, 9622080), (4, 7216560), (5, 5773248), (6, 4811040), (8, 3608280), (9, 3207360), (10, 2886624), (12, 2405520), (13, 2220480), (15, 1924416), (16, 1804140), (18, 1603680), (20, 1443312), (24, 1202760), (26, 1110240), (27, 1069120), (30, 962208), (32, 902070), (36, 801840), (39, 740160), (40, 721656), (45, 641472), (48, 601380), (52, 555120), (54, 534560), (60, 481104), (64, 451035), (65, 444096), (72, 400920), (78, 370080), (80, 360828), (90, 320736), (96, 300690), (104, 277560), (108, 267280), (117, 246720), (120, 240552), (130, 222048), (135, 213824), (144, 200460), (156, 185040), (160, 180414), (180, 160368), (192, 150345), (195, 148032), (208, 138780), (216, 133640), (234, 123360), (240, 120276), (257, 112320), (260, 111024), (270, 106912), (288, 100230), (312, 92520), (320, 90207), (351, 82240), (360, 80184), (390, 74016), (416, 69390), (432, 66820), (468, 61680), (480, 60138), (514, 56160), (520, 55512), (540, 53456), (576, 50115), (585, 49344), (624, 46260), (702, 41120), (720, 40092), (771, 37440), (780, 37008), (832, 34695), (864, 33410), (936, 30840), (960, 30069), (1028, 28080), (1040, 27756), (1080, 26728), (1170, 24672), (1248, 23130), (1285, 22464), (1404, 20560), (1440, 20046), (1542, 18720), (1560, 18504), (1728, 16705), (1755, 16448), (1872, 15420), (2056, 14040), (2080, 13878), (2160, 13364), (2313, 12480), (2340, 12336), (2496, 11565), (2570, 11232), (2808, 10280), (2880, 10023), (3084, 9360), (3120, 9252), (3341, 8640), (3510, 8224), (3744, 7710), (3855, 7488), (4112, 7020), (4160, 6939), (4320, 6682), (4626, 6240), (4680, 6168), (5140, 5616)]