18199440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 240

約数和(自身を含む): 73352448

約数和(自身を除く): 55153008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 157, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 314, 315, 322, 336, 345, 360, 368, 414, 420, 460, 471, 483, 504, 552, 560, 628, 630, 644, 690, 720, 785, 805, 828, 840, 920, 942, 966, 1008, 1035, 1099, 1104, 1256, 1260, 1288, 1380, 1413, 1449, 1570, 1610, 1656, 1680, 1840, 1884, 1932, 2070, 2198, 2355, 2415, 2512, 2520, 2576, 2760, 2826, 2898, 3140, 3220, 3297, 3312, 3611, 3768, 3864, 4140, 4396, 4710, 4830, 5040, 5495, 5520, 5652, 5796, 6280, 6440, 6594, 7065, 7222, 7245, 7536, 7728, 8280, 8792, 9420, 9660, 9891, 10833, 10990, 11304, 11592, 12560, 12880, 13188, 14130, 14444, 14490, 16485, 16560, 17584, 18055, 18840, 19320, 19782, 21666, 21980, 22608, 23184, 25277, 26376, 28260, 28888, 28980, 32499, 32970, 36110, 37680, 38640, 39564, 43332, 43960, 49455, 50554, 52752, 54165, 56520, 57776, 57960, 64998, 65940, 72220, 75831, 79128, 86664, 87920, 98910, 101108, 108330, 113040, 115920, 126385, 129996, 131880, 144440, 151662, 158256, 162495, 173328, 197820, 202216, 216660, 227493, 252770, 259992, 263760, 288880, 303324, 324990, 379155, 395640, 404432, 433320, 454986, 505540, 519984, 606648, 649980, 758310, 791280, 866640, 909972, 1011080, 1137465, 1213296, 1299960, 1516620, 1819944, 2022160, 2274930, 2599920, 3033240, 3639888, 4549860, 6066480, 9099720, 18199440]

約数ペア:

[(1, 18199440), (2, 9099720), (3, 6066480), (4, 4549860), (5, 3639888), (6, 3033240), (7, 2599920), (8, 2274930), (9, 2022160), (10, 1819944), (12, 1516620), (14, 1299960), (15, 1213296), (16, 1137465), (18, 1011080), (20, 909972), (21, 866640), (23, 791280), (24, 758310), (28, 649980), (30, 606648), (35, 519984), (36, 505540), (40, 454986), (42, 433320), (45, 404432), (46, 395640), (48, 379155), (56, 324990), (60, 303324), (63, 288880), (69, 263760), (70, 259992), (72, 252770), (80, 227493), (84, 216660), (90, 202216), (92, 197820), (105, 173328), (112, 162495), (115, 158256), (120, 151662), (126, 144440), (138, 131880), (140, 129996), (144, 126385), (157, 115920), (161, 113040), (168, 108330), (180, 101108), (184, 98910), (207, 87920), (210, 86664), (230, 79128), (240, 75831), (252, 72220), (276, 65940), (280, 64998), (314, 57960), (315, 57776), (322, 56520), (336, 54165), (345, 52752), (360, 50554), (368, 49455), (414, 43960), (420, 43332), (460, 39564), (471, 38640), (483, 37680), (504, 36110), (552, 32970), (560, 32499), (628, 28980), (630, 28888), (644, 28260), (690, 26376), (720, 25277), (785, 23184), (805, 22608), (828, 21980), (840, 21666), (920, 19782), (942, 19320), (966, 18840), (1008, 18055), (1035, 17584), (1099, 16560), (1104, 16485), (1256, 14490), (1260, 14444), (1288, 14130), (1380, 13188), (1413, 12880), (1449, 12560), (1570, 11592), (1610, 11304), (1656, 10990), (1680, 10833), (1840, 9891), (1884, 9660), (1932, 9420), (2070, 8792), (2198, 8280), (2355, 7728), (2415, 7536), (2512, 7245), (2520, 7222), (2576, 7065), (2760, 6594), (2826, 6440), (2898, 6280), (3140, 5796), (3220, 5652), (3297, 5520), (3312, 5495), (3611, 5040), (3768, 4830), (3864, 4710), (4140, 4396)]