219109560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 687009600

約数和(自身を除く): 467900040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 809, 888, 915, 1110, 1220, 1464, 1480, 1618, 1830, 2220, 2257, 2427, 2440, 3236, 3660, 4045, 4440, 4514, 4854, 6472, 6771, 7320, 8090, 9028, 9708, 11285, 12135, 13542, 16180, 18056, 19416, 22570, 24270, 27084, 29933, 32360, 33855, 45140, 48540, 49349, 54168, 59866, 67710, 89799, 90280, 97080, 98698, 119732, 135420, 148047, 149665, 179598, 197396, 239464, 246745, 270840, 296094, 299330, 359196, 394792, 448995, 493490, 592188, 598660, 718392, 740235, 897990, 986980, 1184376, 1197320, 1480470, 1795980, 1825913, 1973960, 2960940, 3591960, 3651826, 5477739, 5921880, 7303652, 9129565, 10955478, 14607304, 18259130, 21910956, 27388695, 36518260, 43821912, 54777390, 73036520, 109554780, 219109560]

約数ペア:

[(1, 219109560), (2, 109554780), (3, 73036520), (4, 54777390), (5, 43821912), (6, 36518260), (8, 27388695), (10, 21910956), (12, 18259130), (15, 14607304), (20, 10955478), (24, 9129565), (30, 7303652), (37, 5921880), (40, 5477739), (60, 3651826), (61, 3591960), (74, 2960940), (111, 1973960), (120, 1825913), (122, 1795980), (148, 1480470), (183, 1197320), (185, 1184376), (222, 986980), (244, 897990), (296, 740235), (305, 718392), (366, 598660), (370, 592188), (444, 493490), (488, 448995), (555, 394792), (610, 359196), (732, 299330), (740, 296094), (809, 270840), (888, 246745), (915, 239464), (1110, 197396), (1220, 179598), (1464, 149665), (1480, 148047), (1618, 135420), (1830, 119732), (2220, 98698), (2257, 97080), (2427, 90280), (2440, 89799), (3236, 67710), (3660, 59866), (4045, 54168), (4440, 49349), (4514, 48540), (4854, 45140), (6472, 33855), (6771, 32360), (7320, 29933), (8090, 27084), (9028, 24270), (9708, 22570), (11285, 19416), (12135, 18056), (13542, 16180)]