31333120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 92715840

約数和(自身を除く): 61382720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 269, 280, 320, 364, 416, 448, 455, 520, 538, 560, 640, 728, 832, 896, 910, 1040, 1076, 1120, 1280, 1345, 1456, 1664, 1792, 1820, 1883, 2080, 2152, 2240, 2690, 2912, 3328, 3497, 3640, 3766, 4160, 4304, 4480, 5380, 5824, 6994, 7280, 7532, 8320, 8608, 8960, 9415, 10760, 11648, 13988, 14560, 15064, 16640, 17216, 17485, 18830, 21520, 23296, 24479, 27976, 29120, 30128, 34432, 34970, 37660, 43040, 48958, 55952, 58240, 60256, 68864, 69940, 75320, 86080, 97916, 111904, 116480, 120512, 122395, 139880, 150640, 172160, 195832, 223808, 241024, 244790, 279760, 301280, 344320, 391664, 447616, 482048, 489580, 559520, 602560, 783328, 895232, 979160, 1119040, 1205120, 1566656, 1958320, 2238080, 2410240, 3133312, 3916640, 4476160, 6266624, 7833280, 15666560, 31333120]

約数ペア:

[(1, 31333120), (2, 15666560), (4, 7833280), (5, 6266624), (7, 4476160), (8, 3916640), (10, 3133312), (13, 2410240), (14, 2238080), (16, 1958320), (20, 1566656), (26, 1205120), (28, 1119040), (32, 979160), (35, 895232), (40, 783328), (52, 602560), (56, 559520), (64, 489580), (65, 482048), (70, 447616), (80, 391664), (91, 344320), (104, 301280), (112, 279760), (128, 244790), (130, 241024), (140, 223808), (160, 195832), (182, 172160), (208, 150640), (224, 139880), (256, 122395), (260, 120512), (269, 116480), (280, 111904), (320, 97916), (364, 86080), (416, 75320), (448, 69940), (455, 68864), (520, 60256), (538, 58240), (560, 55952), (640, 48958), (728, 43040), (832, 37660), (896, 34970), (910, 34432), (1040, 30128), (1076, 29120), (1120, 27976), (1280, 24479), (1345, 23296), (1456, 21520), (1664, 18830), (1792, 17485), (1820, 17216), (1883, 16640), (2080, 15064), (2152, 14560), (2240, 13988), (2690, 11648), (2912, 10760), (3328, 9415), (3497, 8960), (3640, 8608), (3766, 8320), (4160, 7532), (4304, 7280), (4480, 6994), (5380, 5824)]