81614880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 295812972

約数和(自身を除く): 214198092

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 157, 160, 171, 180, 190, 228, 240, 285, 288, 304, 314, 342, 360, 361, 380, 456, 471, 480, 570, 608, 628, 684, 720, 722, 760, 785, 855, 912, 942, 1083, 1140, 1256, 1368, 1413, 1440, 1444, 1520, 1570, 1710, 1805, 1824, 1884, 2166, 2280, 2355, 2512, 2736, 2826, 2888, 2983, 3040, 3140, 3249, 3420, 3610, 3768, 4332, 4560, 4710, 5024, 5415, 5472, 5652, 5776, 5966, 6280, 6498, 6840, 7065, 7220, 7536, 8664, 8949, 9120, 9420, 10830, 11304, 11552, 11932, 12560, 12996, 13680, 14130, 14440, 14915, 15072, 16245, 17328, 17898, 18840, 21660, 22608, 23864, 25120, 25992, 26847, 27360, 28260, 28880, 29830, 32490, 34656, 35796, 37680, 43320, 44745, 45216, 47728, 51984, 53694, 56520, 56677, 57760, 59660, 64980, 71592, 75360, 86640, 89490, 95456, 103968, 107388, 113040, 113354, 119320, 129960, 134235, 143184, 170031, 173280, 178980, 214776, 226080, 226708, 238640, 259920, 268470, 283385, 286368, 340062, 357960, 429552, 453416, 477280, 510093, 519840, 536940, 566770, 680124, 715920, 850155, 859104, 906832, 1020186, 1073880, 1133540, 1360248, 1431840, 1700310, 1813664, 2040372, 2147760, 2267080, 2550465, 2720496, 3400620, 4080744, 4295520, 4534160, 5100930, 5440992, 6801240, 8161488, 9068320, 10201860, 13602480, 16322976, 20403720, 27204960, 40807440, 81614880]

約数ペア:

[(1, 81614880), (2, 40807440), (3, 27204960), (4, 20403720), (5, 16322976), (6, 13602480), (8, 10201860), (9, 9068320), (10, 8161488), (12, 6801240), (15, 5440992), (16, 5100930), (18, 4534160), (19, 4295520), (20, 4080744), (24, 3400620), (30, 2720496), (32, 2550465), (36, 2267080), (38, 2147760), (40, 2040372), (45, 1813664), (48, 1700310), (57, 1431840), (60, 1360248), (72, 1133540), (76, 1073880), (80, 1020186), (90, 906832), (95, 859104), (96, 850155), (114, 715920), (120, 680124), (144, 566770), (152, 536940), (157, 519840), (160, 510093), (171, 477280), (180, 453416), (190, 429552), (228, 357960), (240, 340062), (285, 286368), (288, 283385), (304, 268470), (314, 259920), (342, 238640), (360, 226708), (361, 226080), (380, 214776), (456, 178980), (471, 173280), (480, 170031), (570, 143184), (608, 134235), (628, 129960), (684, 119320), (720, 113354), (722, 113040), (760, 107388), (785, 103968), (855, 95456), (912, 89490), (942, 86640), (1083, 75360), (1140, 71592), (1256, 64980), (1368, 59660), (1413, 57760), (1440, 56677), (1444, 56520), (1520, 53694), (1570, 51984), (1710, 47728), (1805, 45216), (1824, 44745), (1884, 43320), (2166, 37680), (2280, 35796), (2355, 34656), (2512, 32490), (2736, 29830), (2826, 28880), (2888, 28260), (2983, 27360), (3040, 26847), (3140, 25992), (3249, 25120), (3420, 23864), (3610, 22608), (3768, 21660), (4332, 18840), (4560, 17898), (4710, 17328), (5024, 16245), (5415, 15072), (5472, 14915), (5652, 14440), (5776, 14130), (5966, 13680), (6280, 12996), (6498, 12560), (6840, 11932), (7065, 11552), (7220, 11304), (7536, 10830), (8664, 9420), (8949, 9120)]