28838160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 240

約数和(自身を含む): 108921600

約数和(自身を除く): 80083440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 79, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 158, 169, 180, 195, 208, 216, 234, 237, 240, 260, 270, 312, 316, 338, 351, 360, 390, 395, 432, 468, 474, 507, 520, 540, 585, 624, 632, 676, 702, 711, 720, 780, 790, 845, 936, 948, 1014, 1027, 1040, 1080, 1170, 1185, 1264, 1352, 1404, 1422, 1521, 1560, 1580, 1690, 1755, 1872, 1896, 2028, 2054, 2133, 2160, 2340, 2370, 2535, 2704, 2808, 2844, 3042, 3081, 3120, 3160, 3380, 3510, 3555, 3792, 4056, 4108, 4266, 4563, 4680, 4740, 5070, 5135, 5616, 5688, 6084, 6162, 6320, 6760, 7020, 7110, 7605, 8112, 8216, 8532, 9126, 9243, 9360, 9480, 10140, 10270, 10665, 11376, 12168, 12324, 13351, 13520, 14040, 14220, 15210, 15405, 16432, 17064, 18252, 18486, 18960, 20280, 20540, 21330, 22815, 24336, 24648, 26702, 27729, 28080, 28440, 30420, 30810, 34128, 36504, 36972, 40053, 40560, 41080, 42660, 45630, 46215, 49296, 53404, 55458, 56880, 60840, 61620, 66755, 73008, 73944, 80106, 82160, 85320, 91260, 92430, 106808, 110916, 120159, 121680, 123240, 133510, 138645, 147888, 160212, 170640, 182520, 184860, 200265, 213616, 221832, 240318, 246480, 267020, 277290, 320424, 360477, 365040, 369720, 400530, 443664, 480636, 534040, 554580, 600795, 640848, 720954, 739440, 801060, 961272, 1068080, 1109160, 1201590, 1441908, 1602120, 1802385, 1922544, 2218320, 2403180, 2883816, 3204240, 3604770, 4806360, 5767632, 7209540, 9612720, 14419080, 28838160]

約数ペア:

[(1, 28838160), (2, 14419080), (3, 9612720), (4, 7209540), (5, 5767632), (6, 4806360), (8, 3604770), (9, 3204240), (10, 2883816), (12, 2403180), (13, 2218320), (15, 1922544), (16, 1802385), (18, 1602120), (20, 1441908), (24, 1201590), (26, 1109160), (27, 1068080), (30, 961272), (36, 801060), (39, 739440), (40, 720954), (45, 640848), (48, 600795), (52, 554580), (54, 534040), (60, 480636), (65, 443664), (72, 400530), (78, 369720), (79, 365040), (80, 360477), (90, 320424), (104, 277290), (108, 267020), (117, 246480), (120, 240318), (130, 221832), (135, 213616), (144, 200265), (156, 184860), (158, 182520), (169, 170640), (180, 160212), (195, 147888), (208, 138645), (216, 133510), (234, 123240), (237, 121680), (240, 120159), (260, 110916), (270, 106808), (312, 92430), (316, 91260), (338, 85320), (351, 82160), (360, 80106), (390, 73944), (395, 73008), (432, 66755), (468, 61620), (474, 60840), (507, 56880), (520, 55458), (540, 53404), (585, 49296), (624, 46215), (632, 45630), (676, 42660), (702, 41080), (711, 40560), (720, 40053), (780, 36972), (790, 36504), (845, 34128), (936, 30810), (948, 30420), (1014, 28440), (1027, 28080), (1040, 27729), (1080, 26702), (1170, 24648), (1185, 24336), (1264, 22815), (1352, 21330), (1404, 20540), (1422, 20280), (1521, 18960), (1560, 18486), (1580, 18252), (1690, 17064), (1755, 16432), (1872, 15405), (1896, 15210), (2028, 14220), (2054, 14040), (2133, 13520), (2160, 13351), (2340, 12324), (2370, 12168), (2535, 11376), (2704, 10665), (2808, 10270), (2844, 10140), (3042, 9480), (3081, 9360), (3120, 9243), (3160, 9126), (3380, 8532), (3510, 8216), (3555, 8112), (3792, 7605), (4056, 7110), (4108, 7020), (4266, 6760), (4563, 6320), (4680, 6162), (4740, 6084), (5070, 5688), (5135, 5616)]