55315800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 188604000

約数和(自身を除く): 133288200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 200, 225, 237, 300, 316, 360, 389, 395, 450, 474, 600, 632, 711, 778, 790, 900, 948, 1167, 1185, 1422, 1556, 1580, 1800, 1896, 1945, 1975, 2334, 2370, 2844, 3112, 3160, 3501, 3555, 3890, 3950, 4668, 4740, 5688, 5835, 5925, 7002, 7110, 7780, 7900, 9336, 9480, 9725, 11670, 11850, 14004, 14220, 15560, 15800, 17505, 17775, 19450, 23340, 23700, 28008, 28440, 29175, 30731, 35010, 35550, 38900, 46680, 47400, 58350, 61462, 70020, 71100, 77800, 87525, 92193, 116700, 122924, 140040, 142200, 153655, 175050, 184386, 233400, 245848, 276579, 307310, 350100, 368772, 460965, 553158, 614620, 700200, 737544, 768275, 921930, 1106316, 1229240, 1382895, 1536550, 1843860, 2212632, 2304825, 2765790, 3073100, 3687720, 4609650, 5531580, 6146200, 6914475, 9219300, 11063160, 13828950, 18438600, 27657900, 55315800]

約数ペア:

[(1, 55315800), (2, 27657900), (3, 18438600), (4, 13828950), (5, 11063160), (6, 9219300), (8, 6914475), (9, 6146200), (10, 5531580), (12, 4609650), (15, 3687720), (18, 3073100), (20, 2765790), (24, 2304825), (25, 2212632), (30, 1843860), (36, 1536550), (40, 1382895), (45, 1229240), (50, 1106316), (60, 921930), (72, 768275), (75, 737544), (79, 700200), (90, 614620), (100, 553158), (120, 460965), (150, 368772), (158, 350100), (180, 307310), (200, 276579), (225, 245848), (237, 233400), (300, 184386), (316, 175050), (360, 153655), (389, 142200), (395, 140040), (450, 122924), (474, 116700), (600, 92193), (632, 87525), (711, 77800), (778, 71100), (790, 70020), (900, 61462), (948, 58350), (1167, 47400), (1185, 46680), (1422, 38900), (1556, 35550), (1580, 35010), (1800, 30731), (1896, 29175), (1945, 28440), (1975, 28008), (2334, 23700), (2370, 23340), (2844, 19450), (3112, 17775), (3160, 17505), (3501, 15800), (3555, 15560), (3890, 14220), (3950, 14004), (4668, 11850), (4740, 11670), (5688, 9725), (5835, 9480), (5925, 9336), (7002, 7900), (7110, 7780)]