890246520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1022

約数の個数: 192

約数和(自身を含む): 3068676000

約数和(自身を除く): 2178429480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 157, 171, 180, 190, 228, 285, 314, 342, 360, 380, 456, 471, 570, 628, 684, 760, 785, 829, 855, 942, 1140, 1256, 1368, 1413, 1570, 1658, 1710, 1884, 2280, 2355, 2487, 2826, 2983, 3140, 3316, 3420, 3768, 4145, 4710, 4974, 5652, 5966, 6280, 6632, 6840, 7065, 7461, 8290, 8949, 9420, 9948, 11304, 11932, 12435, 14130, 14915, 14922, 15751, 16580, 17898, 18840, 19896, 23864, 24870, 26847, 28260, 29830, 29844, 31502, 33160, 35796, 37305, 44745, 47253, 49740, 53694, 56520, 59660, 59688, 63004, 71592, 74610, 78755, 89490, 94506, 99480, 107388, 119320, 126008, 130153, 134235, 141759, 149220, 157510, 178980, 189012, 214776, 236265, 260306, 268470, 283518, 298440, 315020, 357960, 378024, 390459, 472530, 520612, 536940, 567036, 630040, 650765, 708795, 780918, 945060, 1041224, 1073880, 1134072, 1171377, 1301530, 1417590, 1561836, 1890120, 1952295, 2342754, 2472907, 2603060, 2835180, 3123672, 3904590, 4685508, 4945814, 5206120, 5670360, 5856885, 7418721, 7809180, 9371016, 9891628, 11713770, 12364535, 14837442, 15618360, 19783256, 22256163, 23427540, 24729070, 29674884, 37093605, 44512326, 46855080, 49458140, 59349768, 74187210, 89024652, 98916280, 111280815, 148374420, 178049304, 222561630, 296748840, 445123260, 890246520]

約数ペア:

[(1, 890246520), (2, 445123260), (3, 296748840), (4, 222561630), (5, 178049304), (6, 148374420), (8, 111280815), (9, 98916280), (10, 89024652), (12, 74187210), (15, 59349768), (18, 49458140), (19, 46855080), (20, 44512326), (24, 37093605), (30, 29674884), (36, 24729070), (38, 23427540), (40, 22256163), (45, 19783256), (57, 15618360), (60, 14837442), (72, 12364535), (76, 11713770), (90, 9891628), (95, 9371016), (114, 7809180), (120, 7418721), (152, 5856885), (157, 5670360), (171, 5206120), (180, 4945814), (190, 4685508), (228, 3904590), (285, 3123672), (314, 2835180), (342, 2603060), (360, 2472907), (380, 2342754), (456, 1952295), (471, 1890120), (570, 1561836), (628, 1417590), (684, 1301530), (760, 1171377), (785, 1134072), (829, 1073880), (855, 1041224), (942, 945060), (1140, 780918), (1256, 708795), (1368, 650765), (1413, 630040), (1570, 567036), (1658, 536940), (1710, 520612), (1884, 472530), (2280, 390459), (2355, 378024), (2487, 357960), (2826, 315020), (2983, 298440), (3140, 283518), (3316, 268470), (3420, 260306), (3768, 236265), (4145, 214776), (4710, 189012), (4974, 178980), (5652, 157510), (5966, 149220), (6280, 141759), (6632, 134235), (6840, 130153), (7065, 126008), (7461, 119320), (8290, 107388), (8949, 99480), (9420, 94506), (9948, 89490), (11304, 78755), (11932, 74610), (12435, 71592), (14130, 63004), (14915, 59688), (14922, 59660), (15751, 56520), (16580, 53694), (17898, 49740), (18840, 47253), (19896, 44745), (23864, 37305), (24870, 35796), (26847, 33160), (28260, 31502), (29830, 29844)]