51263100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 187765760

約数和(自身を除く): 136502660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 79, 84, 90, 100, 103, 105, 126, 140, 150, 158, 175, 180, 206, 210, 225, 237, 252, 300, 309, 315, 316, 350, 395, 412, 420, 450, 474, 515, 525, 553, 618, 630, 700, 711, 721, 790, 900, 927, 948, 1030, 1050, 1106, 1185, 1236, 1260, 1422, 1442, 1545, 1575, 1580, 1659, 1854, 1975, 2060, 2100, 2163, 2212, 2370, 2575, 2765, 2844, 2884, 3090, 3150, 3318, 3555, 3605, 3708, 3950, 4326, 4635, 4740, 4977, 5150, 5530, 5925, 6180, 6300, 6489, 6636, 7110, 7210, 7725, 7900, 8137, 8295, 8652, 9270, 9954, 10300, 10815, 11060, 11850, 12978, 13825, 14220, 14420, 15450, 16274, 16590, 17775, 18025, 18540, 19908, 21630, 23175, 23700, 24411, 24885, 25956, 27650, 30900, 32445, 32548, 33180, 35550, 36050, 40685, 41475, 43260, 46350, 48822, 49770, 54075, 55300, 56959, 64890, 71100, 72100, 73233, 81370, 82950, 92700, 97644, 99540, 108150, 113918, 122055, 124425, 129780, 146466, 162225, 162740, 165900, 170877, 203425, 216300, 227836, 244110, 248850, 284795, 292932, 324450, 341754, 366165, 406850, 488220, 497700, 512631, 569590, 610275, 648900, 683508, 732330, 813700, 854385, 1025262, 1139180, 1220550, 1423975, 1464660, 1708770, 1830825, 2050524, 2441100, 2563155, 2847950, 3417540, 3661650, 4271925, 5126310, 5695900, 7323300, 8543850, 10252620, 12815775, 17087700, 25631550, 51263100]

約数ペア:

[(1, 51263100), (2, 25631550), (3, 17087700), (4, 12815775), (5, 10252620), (6, 8543850), (7, 7323300), (9, 5695900), (10, 5126310), (12, 4271925), (14, 3661650), (15, 3417540), (18, 2847950), (20, 2563155), (21, 2441100), (25, 2050524), (28, 1830825), (30, 1708770), (35, 1464660), (36, 1423975), (42, 1220550), (45, 1139180), (50, 1025262), (60, 854385), (63, 813700), (70, 732330), (75, 683508), (79, 648900), (84, 610275), (90, 569590), (100, 512631), (103, 497700), (105, 488220), (126, 406850), (140, 366165), (150, 341754), (158, 324450), (175, 292932), (180, 284795), (206, 248850), (210, 244110), (225, 227836), (237, 216300), (252, 203425), (300, 170877), (309, 165900), (315, 162740), (316, 162225), (350, 146466), (395, 129780), (412, 124425), (420, 122055), (450, 113918), (474, 108150), (515, 99540), (525, 97644), (553, 92700), (618, 82950), (630, 81370), (700, 73233), (711, 72100), (721, 71100), (790, 64890), (900, 56959), (927, 55300), (948, 54075), (1030, 49770), (1050, 48822), (1106, 46350), (1185, 43260), (1236, 41475), (1260, 40685), (1422, 36050), (1442, 35550), (1545, 33180), (1575, 32548), (1580, 32445), (1659, 30900), (1854, 27650), (1975, 25956), (2060, 24885), (2100, 24411), (2163, 23700), (2212, 23175), (2370, 21630), (2575, 19908), (2765, 18540), (2844, 18025), (2884, 17775), (3090, 16590), (3150, 16274), (3318, 15450), (3555, 14420), (3605, 14220), (3708, 13825), (3950, 12978), (4326, 11850), (4635, 11060), (4740, 10815), (4977, 10300), (5150, 9954), (5530, 9270), (5925, 8652), (6180, 8295), (6300, 8137), (6489, 7900), (6636, 7725), (7110, 7210)]