390881280

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{3181}}^1$

素因数の和:3215

約数の個数: 112

約数和(自身を含む): 1251136944

約数和(自身を除く): 860255664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3181, 3840, 4096, 5120, 6144, 6362, 7680, 8192, 9543, 10240, 12288, 12724, 15360, 15905, 19086, 20480, 24576, 25448, 30720, 31810, 38172, 40960, 47715, 50896, 61440, 63620, 76344, 95430, 101792, 122880, 127240, 152688, 190860, 203584, 254480, 305376, 381720, 407168, 508960, 610752, 763440, 814336, 1017920, 1221504, 1526880, 1628672, 2035840, 2443008, 3053760, 3257344, 4071680, 4886016, 6107520, 6514688, 8143360, 9772032, 12215040, 13029376, 16286720, 19544064, 24430080, 26058752, 32573440, 39088128, 48860160, 65146880, 78176256, 97720320, 130293760, 195440640, 390881280]

約数ペア:

[(1, 390881280), (2, 195440640), (3, 130293760), (4, 97720320), (5, 78176256), (6, 65146880), (8, 48860160), (10, 39088128), (12, 32573440), (15, 26058752), (16, 24430080), (20, 19544064), (24, 16286720), (30, 13029376), (32, 12215040), (40, 9772032), (48, 8143360), (60, 6514688), (64, 6107520), (80, 4886016), (96, 4071680), (120, 3257344), (128, 3053760), (160, 2443008), (192, 2035840), (240, 1628672), (256, 1526880), (320, 1221504), (384, 1017920), (480, 814336), (512, 763440), (640, 610752), (768, 508960), (960, 407168), (1024, 381720), (1280, 305376), (1536, 254480), (1920, 203584), (2048, 190860), (2560, 152688), (3072, 127240), (3181, 122880), (3840, 101792), (4096, 95430), (5120, 76344), (6144, 63620), (6362, 61440), (7680, 50896), (8192, 47715), (9543, 40960), (10240, 38172), (12288, 31810), (12724, 30720), (15360, 25448), (15905, 24576), (19086, 20480)]