81044600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 238943040

約数和(自身を除く): 157898440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 61, 65, 70, 73, 91, 100, 104, 122, 130, 140, 146, 175, 182, 200, 244, 260, 280, 292, 305, 325, 350, 364, 365, 427, 455, 488, 511, 520, 584, 610, 650, 700, 728, 730, 793, 854, 910, 949, 1022, 1220, 1300, 1400, 1460, 1525, 1586, 1708, 1820, 1825, 1898, 2044, 2135, 2275, 2440, 2555, 2600, 2920, 3050, 3172, 3416, 3640, 3650, 3796, 3965, 4088, 4270, 4453, 4550, 4745, 5110, 5551, 6100, 6344, 6643, 7300, 7592, 7930, 8540, 8906, 9100, 9490, 10220, 10675, 11102, 12200, 12775, 13286, 14600, 15860, 17080, 17812, 18200, 18980, 19825, 20440, 21350, 22204, 22265, 23725, 25550, 26572, 27755, 31171, 31720, 33215, 35624, 37960, 39650, 42700, 44408, 44530, 47450, 51100, 53144, 55510, 57889, 62342, 66430, 79300, 85400, 89060, 94900, 102200, 111020, 111325, 115778, 124684, 132860, 138775, 155855, 158600, 166075, 178120, 189800, 222040, 222650, 231556, 249368, 265720, 277550, 289445, 311710, 332150, 405223, 445300, 463112, 555100, 578890, 623420, 664300, 779275, 810446, 890600, 1110200, 1157780, 1246840, 1328600, 1447225, 1558550, 1620892, 2026115, 2315560, 2894450, 3117100, 3241784, 4052230, 5788900, 6234200, 8104460, 10130575, 11577800, 16208920, 20261150, 40522300, 81044600]

約数ペア:

[(1, 81044600), (2, 40522300), (4, 20261150), (5, 16208920), (7, 11577800), (8, 10130575), (10, 8104460), (13, 6234200), (14, 5788900), (20, 4052230), (25, 3241784), (26, 3117100), (28, 2894450), (35, 2315560), (40, 2026115), (50, 1620892), (52, 1558550), (56, 1447225), (61, 1328600), (65, 1246840), (70, 1157780), (73, 1110200), (91, 890600), (100, 810446), (104, 779275), (122, 664300), (130, 623420), (140, 578890), (146, 555100), (175, 463112), (182, 445300), (200, 405223), (244, 332150), (260, 311710), (280, 289445), (292, 277550), (305, 265720), (325, 249368), (350, 231556), (364, 222650), (365, 222040), (427, 189800), (455, 178120), (488, 166075), (511, 158600), (520, 155855), (584, 138775), (610, 132860), (650, 124684), (700, 115778), (728, 111325), (730, 111020), (793, 102200), (854, 94900), (910, 89060), (949, 85400), (1022, 79300), (1220, 66430), (1300, 62342), (1400, 57889), (1460, 55510), (1525, 53144), (1586, 51100), (1708, 47450), (1820, 44530), (1825, 44408), (1898, 42700), (2044, 39650), (2135, 37960), (2275, 35624), (2440, 33215), (2555, 31720), (2600, 31171), (2920, 27755), (3050, 26572), (3172, 25550), (3416, 23725), (3640, 22265), (3650, 22204), (3796, 21350), (3965, 20440), (4088, 19825), (4270, 18980), (4453, 18200), (4550, 17812), (4745, 17080), (5110, 15860), (5551, 14600), (6100, 13286), (6344, 12775), (6643, 12200), (7300, 11102), (7592, 10675), (7930, 10220), (8540, 9490), (8906, 9100)]