81664200

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{71}}^2$

素因数の和:170

約数の個数: 180

約数和(自身を含む): 287682945

約数和(自身を除く): 206018745

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 71, 72, 75, 81, 90, 100, 108, 120, 135, 142, 150, 162, 180, 200, 213, 216, 225, 270, 284, 300, 324, 355, 360, 405, 426, 450, 540, 568, 600, 639, 648, 675, 710, 810, 852, 900, 1065, 1080, 1278, 1350, 1420, 1620, 1704, 1775, 1800, 1917, 2025, 2130, 2556, 2700, 2840, 3195, 3240, 3550, 3834, 4050, 4260, 5041, 5112, 5325, 5400, 5751, 6390, 7100, 7668, 8100, 8520, 9585, 10082, 10650, 11502, 12780, 14200, 15123, 15336, 15975, 16200, 19170, 20164, 21300, 23004, 25205, 25560, 28755, 30246, 31950, 38340, 40328, 42600, 45369, 46008, 47925, 50410, 57510, 60492, 63900, 75615, 76680, 90738, 95850, 100820, 115020, 120984, 126025, 127800, 136107, 143775, 151230, 181476, 191700, 201640, 226845, 230040, 252050, 272214, 287550, 302460, 362952, 378075, 383400, 408321, 453690, 504100, 544428, 575100, 604920, 680535, 756150, 816642, 907380, 1008200, 1088856, 1134225, 1150200, 1361070, 1512300, 1633284, 1814760, 2041605, 2268450, 2722140, 3024600, 3266568, 3402675, 4083210, 4536900, 5444280, 6805350, 8166420, 9073800, 10208025, 13610700, 16332840, 20416050, 27221400, 40832100, 81664200]

約数ペア:

[(1, 81664200), (2, 40832100), (3, 27221400), (4, 20416050), (5, 16332840), (6, 13610700), (8, 10208025), (9, 9073800), (10, 8166420), (12, 6805350), (15, 5444280), (18, 4536900), (20, 4083210), (24, 3402675), (25, 3266568), (27, 3024600), (30, 2722140), (36, 2268450), (40, 2041605), (45, 1814760), (50, 1633284), (54, 1512300), (60, 1361070), (71, 1150200), (72, 1134225), (75, 1088856), (81, 1008200), (90, 907380), (100, 816642), (108, 756150), (120, 680535), (135, 604920), (142, 575100), (150, 544428), (162, 504100), (180, 453690), (200, 408321), (213, 383400), (216, 378075), (225, 362952), (270, 302460), (284, 287550), (300, 272214), (324, 252050), (355, 230040), (360, 226845), (405, 201640), (426, 191700), (450, 181476), (540, 151230), (568, 143775), (600, 136107), (639, 127800), (648, 126025), (675, 120984), (710, 115020), (810, 100820), (852, 95850), (900, 90738), (1065, 76680), (1080, 75615), (1278, 63900), (1350, 60492), (1420, 57510), (1620, 50410), (1704, 47925), (1775, 46008), (1800, 45369), (1917, 42600), (2025, 40328), (2130, 38340), (2556, 31950), (2700, 30246), (2840, 28755), (3195, 25560), (3240, 25205), (3550, 23004), (3834, 21300), (4050, 20164), (4260, 19170), (5041, 16200), (5112, 15975), (5325, 15336), (5400, 15123), (5751, 14200), (6390, 12780), (7100, 11502), (7668, 10650), (8100, 10082), (8520, 9585)]