81671400

素因数分解:

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

素因数の和:213

約数の個数: 216

約数和(自身を含む): 293218770

約数和(自身を除く): 211547370

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 157, 170, 180, 200, 204, 225, 255, 289, 300, 306, 314, 340, 360, 408, 425, 450, 471, 510, 578, 600, 612, 628, 680, 765, 785, 850, 867, 900, 942, 1020, 1156, 1224, 1256, 1275, 1413, 1445, 1530, 1570, 1700, 1734, 1800, 1884, 2040, 2312, 2355, 2550, 2601, 2669, 2826, 2890, 3060, 3140, 3400, 3468, 3768, 3825, 3925, 4335, 4710, 5100, 5202, 5338, 5652, 5780, 6120, 6280, 6936, 7065, 7225, 7650, 7850, 8007, 8670, 9420, 10200, 10404, 10676, 11304, 11560, 11775, 13005, 13345, 14130, 14450, 15300, 15700, 16014, 17340, 18840, 20808, 21352, 21675, 23550, 24021, 26010, 26690, 28260, 28900, 30600, 31400, 32028, 34680, 35325, 40035, 43350, 45373, 47100, 48042, 52020, 53380, 56520, 57800, 64056, 65025, 66725, 70650, 80070, 86700, 90746, 94200, 96084, 104040, 106760, 120105, 130050, 133450, 136119, 141300, 160140, 173400, 181492, 192168, 200175, 226865, 240210, 260100, 266900, 272238, 282600, 320280, 362984, 400350, 408357, 453730, 480420, 520200, 533800, 544476, 600525, 680595, 800700, 816714, 907460, 960840, 1088952, 1134325, 1201050, 1361190, 1601400, 1633428, 1814920, 2041785, 2268650, 2402100, 2722380, 3266856, 3402975, 4083570, 4537300, 4804200, 5444760, 6805950, 8167140, 9074600, 10208925, 13611900, 16334280, 20417850, 27223800, 40835700, 81671400]

約数ペア:

[(1, 81671400), (2, 40835700), (3, 27223800), (4, 20417850), (5, 16334280), (6, 13611900), (8, 10208925), (9, 9074600), (10, 8167140), (12, 6805950), (15, 5444760), (17, 4804200), (18, 4537300), (20, 4083570), (24, 3402975), (25, 3266856), (30, 2722380), (34, 2402100), (36, 2268650), (40, 2041785), (45, 1814920), (50, 1633428), (51, 1601400), (60, 1361190), (68, 1201050), (72, 1134325), (75, 1088952), (85, 960840), (90, 907460), (100, 816714), (102, 800700), (120, 680595), (136, 600525), (150, 544476), (153, 533800), (157, 520200), (170, 480420), (180, 453730), (200, 408357), (204, 400350), (225, 362984), (255, 320280), (289, 282600), (300, 272238), (306, 266900), (314, 260100), (340, 240210), (360, 226865), (408, 200175), (425, 192168), (450, 181492), (471, 173400), (510, 160140), (578, 141300), (600, 136119), (612, 133450), (628, 130050), (680, 120105), (765, 106760), (785, 104040), (850, 96084), (867, 94200), (900, 90746), (942, 86700), (1020, 80070), (1156, 70650), (1224, 66725), (1256, 65025), (1275, 64056), (1413, 57800), (1445, 56520), (1530, 53380), (1570, 52020), (1700, 48042), (1734, 47100), (1800, 45373), (1884, 43350), (2040, 40035), (2312, 35325), (2355, 34680), (2550, 32028), (2601, 31400), (2669, 30600), (2826, 28900), (2890, 28260), (3060, 26690), (3140, 26010), (3400, 24021), (3468, 23550), (3768, 21675), (3825, 21352), (3925, 20808), (4335, 18840), (4710, 17340), (5100, 16014), (5202, 15700), (5338, 15300), (5652, 14450), (5780, 14130), (6120, 13345), (6280, 13005), (6936, 11775), (7065, 11560), (7225, 11304), (7650, 10676), (7850, 10404), (8007, 10200), (8670, 9420)]