80188160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 212903040

約数和(自身を除く): 132714880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 79, 80, 104, 122, 128, 130, 158, 160, 208, 244, 256, 260, 305, 316, 320, 395, 416, 488, 520, 610, 632, 640, 790, 793, 832, 976, 1027, 1040, 1220, 1264, 1280, 1580, 1586, 1664, 1952, 2054, 2080, 2440, 2528, 3160, 3172, 3328, 3904, 3965, 4108, 4160, 4819, 4880, 5056, 5135, 6320, 6344, 7808, 7930, 8216, 8320, 9638, 9760, 10112, 10270, 12640, 12688, 15616, 15860, 16432, 16640, 19276, 19520, 20224, 20540, 24095, 25280, 25376, 31720, 32864, 38552, 39040, 41080, 48190, 50560, 50752, 62647, 63440, 65728, 77104, 78080, 82160, 96380, 101120, 101504, 125294, 126880, 131456, 154208, 164320, 192760, 203008, 250588, 253760, 262912, 308416, 313235, 328640, 385520, 501176, 507520, 616832, 626470, 657280, 771040, 1002352, 1015040, 1233664, 1252940, 1314560, 1542080, 2004704, 2505880, 3084160, 4009408, 5011760, 6168320, 8018816, 10023520, 16037632, 20047040, 40094080, 80188160]

約数ペア:

[(1, 80188160), (2, 40094080), (4, 20047040), (5, 16037632), (8, 10023520), (10, 8018816), (13, 6168320), (16, 5011760), (20, 4009408), (26, 3084160), (32, 2505880), (40, 2004704), (52, 1542080), (61, 1314560), (64, 1252940), (65, 1233664), (79, 1015040), (80, 1002352), (104, 771040), (122, 657280), (128, 626470), (130, 616832), (158, 507520), (160, 501176), (208, 385520), (244, 328640), (256, 313235), (260, 308416), (305, 262912), (316, 253760), (320, 250588), (395, 203008), (416, 192760), (488, 164320), (520, 154208), (610, 131456), (632, 126880), (640, 125294), (790, 101504), (793, 101120), (832, 96380), (976, 82160), (1027, 78080), (1040, 77104), (1220, 65728), (1264, 63440), (1280, 62647), (1580, 50752), (1586, 50560), (1664, 48190), (1952, 41080), (2054, 39040), (2080, 38552), (2440, 32864), (2528, 31720), (3160, 25376), (3172, 25280), (3328, 24095), (3904, 20540), (3965, 20224), (4108, 19520), (4160, 19276), (4819, 16640), (4880, 16432), (5056, 15860), (5135, 15616), (6320, 12688), (6344, 12640), (7808, 10270), (7930, 10112), (8216, 9760), (8320, 9638)]