81309600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 216

約数和(自身を含む): 299793312

約数和(自身を除く): 218483712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 32, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 96, 100, 115, 120, 138, 144, 150, 160, 180, 184, 200, 207, 225, 230, 240, 276, 288, 300, 345, 360, 368, 400, 414, 450, 460, 480, 491, 552, 575, 600, 690, 720, 736, 800, 828, 900, 920, 982, 1035, 1104, 1150, 1200, 1380, 1440, 1473, 1656, 1725, 1800, 1840, 1964, 2070, 2208, 2300, 2400, 2455, 2760, 2946, 3312, 3450, 3600, 3680, 3928, 4140, 4419, 4600, 4910, 5175, 5520, 5892, 6624, 6900, 7200, 7365, 7856, 8280, 8838, 9200, 9820, 10350, 11040, 11293, 11784, 12275, 13800, 14730, 15712, 16560, 17676, 18400, 19640, 20700, 22095, 22586, 23568, 24550, 27600, 29460, 33120, 33879, 35352, 36825, 39280, 41400, 44190, 45172, 47136, 49100, 55200, 56465, 58920, 67758, 70704, 73650, 78560, 82800, 88380, 90344, 98200, 101637, 110475, 112930, 117840, 135516, 141408, 147300, 165600, 169395, 176760, 180688, 196400, 203274, 220950, 225860, 235680, 271032, 282325, 294600, 338790, 353520, 361376, 392800, 406548, 441900, 451720, 508185, 542064, 564650, 589200, 677580, 707040, 813096, 846975, 883800, 903440, 1016370, 1084128, 1129300, 1178400, 1355160, 1626192, 1693950, 1767600, 1806880, 2032740, 2258600, 2540925, 2710320, 3252384, 3387900, 3535200, 4065480, 4517200, 5081850, 5420640, 6775800, 8130960, 9034400, 10163700, 13551600, 16261920, 20327400, 27103200, 40654800, 81309600]

約数ペア:

[(1, 81309600), (2, 40654800), (3, 27103200), (4, 20327400), (5, 16261920), (6, 13551600), (8, 10163700), (9, 9034400), (10, 8130960), (12, 6775800), (15, 5420640), (16, 5081850), (18, 4517200), (20, 4065480), (23, 3535200), (24, 3387900), (25, 3252384), (30, 2710320), (32, 2540925), (36, 2258600), (40, 2032740), (45, 1806880), (46, 1767600), (48, 1693950), (50, 1626192), (60, 1355160), (69, 1178400), (72, 1129300), (75, 1084128), (80, 1016370), (90, 903440), (92, 883800), (96, 846975), (100, 813096), (115, 707040), (120, 677580), (138, 589200), (144, 564650), (150, 542064), (160, 508185), (180, 451720), (184, 441900), (200, 406548), (207, 392800), (225, 361376), (230, 353520), (240, 338790), (276, 294600), (288, 282325), (300, 271032), (345, 235680), (360, 225860), (368, 220950), (400, 203274), (414, 196400), (450, 180688), (460, 176760), (480, 169395), (491, 165600), (552, 147300), (575, 141408), (600, 135516), (690, 117840), (720, 112930), (736, 110475), (800, 101637), (828, 98200), (900, 90344), (920, 88380), (982, 82800), (1035, 78560), (1104, 73650), (1150, 70704), (1200, 67758), (1380, 58920), (1440, 56465), (1473, 55200), (1656, 49100), (1725, 47136), (1800, 45172), (1840, 44190), (1964, 41400), (2070, 39280), (2208, 36825), (2300, 35352), (2400, 33879), (2455, 33120), (2760, 29460), (2946, 27600), (3312, 24550), (3450, 23568), (3600, 22586), (3680, 22095), (3928, 20700), (4140, 19640), (4419, 18400), (4600, 17676), (4910, 16560), (5175, 15712), (5520, 14730), (5892, 13800), (6624, 12275), (6900, 11784), (7200, 11293), (7365, 11040), (7856, 10350), (8280, 9820), (8838, 9200)]