618667920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 240

約数和(自身を含む): 2257115952

約数和(自身を除く): 1638448032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 157, 180, 195, 208, 234, 240, 260, 312, 314, 360, 390, 421, 468, 471, 520, 585, 624, 628, 720, 780, 785, 842, 936, 942, 1040, 1170, 1256, 1263, 1413, 1560, 1570, 1684, 1872, 1884, 2041, 2105, 2340, 2355, 2512, 2526, 2826, 3120, 3140, 3368, 3768, 3789, 4082, 4210, 4680, 4710, 5052, 5473, 5652, 6123, 6280, 6315, 6736, 7065, 7536, 7578, 8164, 8420, 9360, 9420, 10104, 10205, 10946, 11304, 12246, 12560, 12630, 14130, 15156, 16328, 16419, 16840, 18369, 18840, 18945, 20208, 20410, 21892, 22608, 24492, 25260, 27365, 28260, 30312, 30615, 32656, 32838, 33680, 36738, 37680, 37890, 40820, 43784, 48984, 49257, 50520, 54730, 56520, 60624, 61230, 65676, 66097, 73476, 75780, 81640, 82095, 87568, 91845, 97968, 98514, 101040, 109460, 113040, 122460, 131352, 132194, 146952, 151560, 163280, 164190, 183690, 197028, 198291, 218920, 244920, 246285, 262704, 264388, 293904, 303120, 328380, 330485, 367380, 394056, 396582, 437840, 489840, 492570, 528776, 594873, 656760, 660970, 734760, 788112, 793164, 859261, 985140, 991455, 1057552, 1189746, 1313520, 1321940, 1469520, 1586328, 1718522, 1970280, 1982910, 2379492, 2577783, 2643880, 2974365, 3172656, 3437044, 3940560, 3965820, 4296305, 4758984, 5155566, 5287760, 5948730, 6874088, 7733349, 7931640, 8592610, 9517968, 10311132, 11897460, 12888915, 13748176, 15466698, 15863280, 17185220, 20622264, 23794920, 25777830, 30933396, 34370440, 38666745, 41244528, 47589840, 51555660, 61866792, 68740880, 77333490, 103111320, 123733584, 154666980, 206222640, 309333960, 618667920]

約数ペア:

[(1, 618667920), (2, 309333960), (3, 206222640), (4, 154666980), (5, 123733584), (6, 103111320), (8, 77333490), (9, 68740880), (10, 61866792), (12, 51555660), (13, 47589840), (15, 41244528), (16, 38666745), (18, 34370440), (20, 30933396), (24, 25777830), (26, 23794920), (30, 20622264), (36, 17185220), (39, 15863280), (40, 15466698), (45, 13748176), (48, 12888915), (52, 11897460), (60, 10311132), (65, 9517968), (72, 8592610), (78, 7931640), (80, 7733349), (90, 6874088), (104, 5948730), (117, 5287760), (120, 5155566), (130, 4758984), (144, 4296305), (156, 3965820), (157, 3940560), (180, 3437044), (195, 3172656), (208, 2974365), (234, 2643880), (240, 2577783), (260, 2379492), (312, 1982910), (314, 1970280), (360, 1718522), (390, 1586328), (421, 1469520), (468, 1321940), (471, 1313520), (520, 1189746), (585, 1057552), (624, 991455), (628, 985140), (720, 859261), (780, 793164), (785, 788112), (842, 734760), (936, 660970), (942, 656760), (1040, 594873), (1170, 528776), (1256, 492570), (1263, 489840), (1413, 437840), (1560, 396582), (1570, 394056), (1684, 367380), (1872, 330485), (1884, 328380), (2041, 303120), (2105, 293904), (2340, 264388), (2355, 262704), (2512, 246285), (2526, 244920), (2826, 218920), (3120, 198291), (3140, 197028), (3368, 183690), (3768, 164190), (3789, 163280), (4082, 151560), (4210, 146952), (4680, 132194), (4710, 131352), (5052, 122460), (5473, 113040), (5652, 109460), (6123, 101040), (6280, 98514), (6315, 97968), (6736, 91845), (7065, 87568), (7536, 82095), (7578, 81640), (8164, 75780), (8420, 73476), (9360, 66097), (9420, 65676), (10104, 61230), (10205, 60624), (10946, 56520), (11304, 54730), (12246, 50520), (12560, 49257), (12630, 48984), (14130, 43784), (15156, 40820), (16328, 37890), (16419, 37680), (16840, 36738), (18369, 33680), (18840, 32838), (18945, 32656), (20208, 30615), (20410, 30312), (21892, 28260), (22608, 27365), (24492, 25260)]