87756720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 291999168

約数和(自身を除く): 204242448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 137, 157, 170, 204, 240, 255, 272, 274, 314, 340, 408, 411, 471, 510, 548, 628, 680, 685, 785, 816, 822, 942, 1020, 1096, 1256, 1360, 1370, 1570, 1644, 1884, 2040, 2055, 2192, 2329, 2355, 2512, 2669, 2740, 3140, 3288, 3768, 4080, 4110, 4658, 4710, 5338, 5480, 6280, 6576, 6987, 7536, 8007, 8220, 9316, 9420, 10676, 10960, 11645, 12560, 13345, 13974, 16014, 16440, 18632, 18840, 21352, 21509, 23290, 26690, 27948, 32028, 32880, 34935, 37264, 37680, 40035, 42704, 43018, 46580, 53380, 55896, 64056, 64527, 69870, 80070, 86036, 93160, 106760, 107545, 111792, 128112, 129054, 139740, 160140, 172072, 186320, 213520, 215090, 258108, 279480, 320280, 322635, 344144, 365653, 430180, 516216, 558960, 640560, 645270, 731306, 860360, 1032432, 1096959, 1290540, 1462612, 1720720, 1828265, 2193918, 2581080, 2925224, 3656530, 4387836, 5162160, 5484795, 5850448, 7313060, 8775672, 10969590, 14626120, 17551344, 21939180, 29252240, 43878360, 87756720]

約数ペア:

[(1, 87756720), (2, 43878360), (3, 29252240), (4, 21939180), (5, 17551344), (6, 14626120), (8, 10969590), (10, 8775672), (12, 7313060), (15, 5850448), (16, 5484795), (17, 5162160), (20, 4387836), (24, 3656530), (30, 2925224), (34, 2581080), (40, 2193918), (48, 1828265), (51, 1720720), (60, 1462612), (68, 1290540), (80, 1096959), (85, 1032432), (102, 860360), (120, 731306), (136, 645270), (137, 640560), (157, 558960), (170, 516216), (204, 430180), (240, 365653), (255, 344144), (272, 322635), (274, 320280), (314, 279480), (340, 258108), (408, 215090), (411, 213520), (471, 186320), (510, 172072), (548, 160140), (628, 139740), (680, 129054), (685, 128112), (785, 111792), (816, 107545), (822, 106760), (942, 93160), (1020, 86036), (1096, 80070), (1256, 69870), (1360, 64527), (1370, 64056), (1570, 55896), (1644, 53380), (1884, 46580), (2040, 43018), (2055, 42704), (2192, 40035), (2329, 37680), (2355, 37264), (2512, 34935), (2669, 32880), (2740, 32028), (3140, 27948), (3288, 26690), (3768, 23290), (4080, 21509), (4110, 21352), (4658, 18840), (4710, 18632), (5338, 16440), (5480, 16014), (6280, 13974), (6576, 13345), (6987, 12560), (7536, 11645), (8007, 10960), (8220, 10676), (9316, 9420)]