16201620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 51897384

約数和(自身を除く): 35695764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 137, 146, 162, 180, 219, 270, 274, 292, 324, 365, 405, 411, 438, 540, 548, 657, 685, 730, 810, 822, 876, 1095, 1233, 1314, 1370, 1460, 1620, 1644, 1971, 2055, 2190, 2466, 2628, 2740, 3285, 3699, 3942, 4110, 4380, 4932, 5913, 6165, 6570, 7398, 7884, 8220, 9855, 10001, 11097, 11826, 12330, 13140, 14796, 18495, 19710, 20002, 22194, 23652, 24660, 29565, 30003, 36990, 39420, 40004, 44388, 50005, 55485, 59130, 60006, 73980, 90009, 100010, 110970, 118260, 120012, 150015, 180018, 200020, 221940, 270027, 300030, 360036, 450045, 540054, 600060, 810081, 900090, 1080108, 1350135, 1620162, 1800180, 2700270, 3240324, 4050405, 5400540, 8100810, 16201620]

約数ペア:

[(1, 16201620), (2, 8100810), (3, 5400540), (4, 4050405), (5, 3240324), (6, 2700270), (9, 1800180), (10, 1620162), (12, 1350135), (15, 1080108), (18, 900090), (20, 810081), (27, 600060), (30, 540054), (36, 450045), (45, 360036), (54, 300030), (60, 270027), (73, 221940), (81, 200020), (90, 180018), (108, 150015), (135, 120012), (137, 118260), (146, 110970), (162, 100010), (180, 90009), (219, 73980), (270, 60006), (274, 59130), (292, 55485), (324, 50005), (365, 44388), (405, 40004), (411, 39420), (438, 36990), (540, 30003), (548, 29565), (657, 24660), (685, 23652), (730, 22194), (810, 20002), (822, 19710), (876, 18495), (1095, 14796), (1233, 13140), (1314, 12330), (1370, 11826), (1460, 11097), (1620, 10001), (1644, 9855), (1971, 8220), (2055, 7884), (2190, 7398), (2466, 6570), (2628, 6165), (2740, 5913), (3285, 4932), (3699, 4380), (3942, 4110)]