217898520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15259}}^1$

素因数の和:15297

約数の個数: 128

約数和(自身を含む): 791078400

約数和(自身を除く): 573179880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 15259, 30518, 45777, 61036, 76295, 91554, 106813, 122072, 152590, 183108, 213626, 228885, 259403, 305180, 320439, 366216, 427252, 457770, 518806, 534065, 610360, 640878, 778209, 854504, 915540, 1037612, 1068130, 1281756, 1297015, 1556418, 1602195, 1815821, 1831080, 2075224, 2136260, 2563512, 2594030, 3112836, 3204390, 3631642, 3891045, 4272520, 5188060, 5447463, 6225672, 6408780, 7263284, 7782090, 9079105, 10376120, 10894926, 12817560, 14526568, 15564180, 18158210, 21789852, 27237315, 31128360, 36316420, 43579704, 54474630, 72632840, 108949260, 217898520]

約数ペア:

[(1, 217898520), (2, 108949260), (3, 72632840), (4, 54474630), (5, 43579704), (6, 36316420), (7, 31128360), (8, 27237315), (10, 21789852), (12, 18158210), (14, 15564180), (15, 14526568), (17, 12817560), (20, 10894926), (21, 10376120), (24, 9079105), (28, 7782090), (30, 7263284), (34, 6408780), (35, 6225672), (40, 5447463), (42, 5188060), (51, 4272520), (56, 3891045), (60, 3631642), (68, 3204390), (70, 3112836), (84, 2594030), (85, 2563512), (102, 2136260), (105, 2075224), (119, 1831080), (120, 1815821), (136, 1602195), (140, 1556418), (168, 1297015), (170, 1281756), (204, 1068130), (210, 1037612), (238, 915540), (255, 854504), (280, 778209), (340, 640878), (357, 610360), (408, 534065), (420, 518806), (476, 457770), (510, 427252), (595, 366216), (680, 320439), (714, 305180), (840, 259403), (952, 228885), (1020, 213626), (1190, 183108), (1428, 152590), (1785, 122072), (2040, 106813), (2380, 91554), (2856, 76295), (3570, 61036), (4760, 45777), (7140, 30518), (14280, 15259)]