81757800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:932

約数の個数: 144

約数和(自身を含む): 280076940

約数和(自身を除く): 198319140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 53, 60, 72, 75, 90, 100, 106, 120, 150, 159, 180, 200, 212, 225, 265, 300, 318, 360, 424, 450, 477, 530, 600, 636, 795, 857, 900, 954, 1060, 1272, 1325, 1590, 1714, 1800, 1908, 2120, 2385, 2571, 2650, 3180, 3428, 3816, 3975, 4285, 4770, 5142, 5300, 6360, 6856, 7713, 7950, 8570, 9540, 10284, 10600, 11925, 12855, 15426, 15900, 17140, 19080, 20568, 21425, 23850, 25710, 30852, 31800, 34280, 38565, 42850, 45421, 47700, 51420, 61704, 64275, 77130, 85700, 90842, 95400, 102840, 128550, 136263, 154260, 171400, 181684, 192825, 227105, 257100, 272526, 308520, 363368, 385650, 408789, 454210, 514200, 545052, 681315, 771300, 817578, 908420, 1090104, 1135525, 1362630, 1542600, 1635156, 1816840, 2043945, 2271050, 2725260, 3270312, 3406575, 4087890, 4542100, 5450520, 6813150, 8175780, 9084200, 10219725, 13626300, 16351560, 20439450, 27252600, 40878900, 81757800]

約数ペア:

[(1, 81757800), (2, 40878900), (3, 27252600), (4, 20439450), (5, 16351560), (6, 13626300), (8, 10219725), (9, 9084200), (10, 8175780), (12, 6813150), (15, 5450520), (18, 4542100), (20, 4087890), (24, 3406575), (25, 3270312), (30, 2725260), (36, 2271050), (40, 2043945), (45, 1816840), (50, 1635156), (53, 1542600), (60, 1362630), (72, 1135525), (75, 1090104), (90, 908420), (100, 817578), (106, 771300), (120, 681315), (150, 545052), (159, 514200), (180, 454210), (200, 408789), (212, 385650), (225, 363368), (265, 308520), (300, 272526), (318, 257100), (360, 227105), (424, 192825), (450, 181684), (477, 171400), (530, 154260), (600, 136263), (636, 128550), (795, 102840), (857, 95400), (900, 90842), (954, 85700), (1060, 77130), (1272, 64275), (1325, 61704), (1590, 51420), (1714, 47700), (1800, 45421), (1908, 42850), (2120, 38565), (2385, 34280), (2571, 31800), (2650, 30852), (3180, 25710), (3428, 23850), (3816, 21425), (3975, 20568), (4285, 19080), (4770, 17140), (5142, 15900), (5300, 15426), (6360, 12855), (6856, 11925), (7713, 10600), (7950, 10284), (8570, 9540)]