28286400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 168

約数和(自身を含む): 95243904

約数和(自身を除く): 66957504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 71, 75, 80, 83, 96, 100, 120, 142, 150, 160, 166, 192, 200, 213, 240, 249, 284, 300, 320, 332, 355, 400, 415, 426, 480, 498, 568, 600, 664, 710, 800, 830, 852, 960, 996, 1065, 1136, 1200, 1245, 1328, 1420, 1600, 1660, 1704, 1775, 1992, 2075, 2130, 2272, 2400, 2490, 2656, 2840, 3320, 3408, 3550, 3984, 4150, 4260, 4544, 4800, 4980, 5312, 5325, 5680, 5893, 6225, 6640, 6816, 7100, 7968, 8300, 8520, 9960, 10650, 11360, 11786, 12450, 13280, 13632, 14200, 15936, 16600, 17040, 17679, 19920, 21300, 22720, 23572, 24900, 26560, 28400, 29465, 33200, 34080, 35358, 39840, 42600, 47144, 49800, 56800, 58930, 66400, 68160, 70716, 79680, 85200, 88395, 94288, 99600, 113600, 117860, 132800, 141432, 147325, 170400, 176790, 188576, 199200, 235720, 282864, 294650, 340800, 353580, 377152, 398400, 441975, 471440, 565728, 589300, 707160, 883950, 942880, 1131456, 1178600, 1414320, 1767900, 1885760, 2357200, 2828640, 3535800, 4714400, 5657280, 7071600, 9428800, 14143200, 28286400]

約数ペア:

[(1, 28286400), (2, 14143200), (3, 9428800), (4, 7071600), (5, 5657280), (6, 4714400), (8, 3535800), (10, 2828640), (12, 2357200), (15, 1885760), (16, 1767900), (20, 1414320), (24, 1178600), (25, 1131456), (30, 942880), (32, 883950), (40, 707160), (48, 589300), (50, 565728), (60, 471440), (64, 441975), (71, 398400), (75, 377152), (80, 353580), (83, 340800), (96, 294650), (100, 282864), (120, 235720), (142, 199200), (150, 188576), (160, 176790), (166, 170400), (192, 147325), (200, 141432), (213, 132800), (240, 117860), (249, 113600), (284, 99600), (300, 94288), (320, 88395), (332, 85200), (355, 79680), (400, 70716), (415, 68160), (426, 66400), (480, 58930), (498, 56800), (568, 49800), (600, 47144), (664, 42600), (710, 39840), (800, 35358), (830, 34080), (852, 33200), (960, 29465), (996, 28400), (1065, 26560), (1136, 24900), (1200, 23572), (1245, 22720), (1328, 21300), (1420, 19920), (1600, 17679), (1660, 17040), (1704, 16600), (1775, 15936), (1992, 14200), (2075, 13632), (2130, 13280), (2272, 12450), (2400, 11786), (2490, 11360), (2656, 10650), (2840, 9960), (3320, 8520), (3408, 8300), (3550, 7968), (3984, 7100), (4150, 6816), (4260, 6640), (4544, 6225), (4800, 5893), (4980, 5680), (5312, 5325)]