12488320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 34272000

約数和(自身を除く): 21783680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 79, 80, 95, 104, 128, 130, 152, 158, 160, 190, 208, 247, 260, 304, 316, 320, 380, 395, 416, 494, 520, 608, 632, 640, 760, 790, 832, 988, 1027, 1040, 1216, 1235, 1264, 1501, 1520, 1580, 1664, 1976, 2054, 2080, 2432, 2470, 2528, 3002, 3040, 3160, 3952, 4108, 4160, 4940, 5056, 5135, 6004, 6080, 6320, 7505, 7904, 8216, 8320, 9880, 10112, 10270, 12008, 12160, 12640, 15010, 15808, 16432, 19513, 19760, 20540, 24016, 25280, 30020, 31616, 32864, 39026, 39520, 41080, 48032, 50560, 60040, 65728, 78052, 79040, 82160, 96064, 97565, 120080, 131456, 156104, 158080, 164320, 192128, 195130, 240160, 312208, 328640, 390260, 480320, 624416, 657280, 780520, 960640, 1248832, 1561040, 2497664, 3122080, 6244160, 12488320]

約数ペア:

[(1, 12488320), (2, 6244160), (4, 3122080), (5, 2497664), (8, 1561040), (10, 1248832), (13, 960640), (16, 780520), (19, 657280), (20, 624416), (26, 480320), (32, 390260), (38, 328640), (40, 312208), (52, 240160), (64, 195130), (65, 192128), (76, 164320), (79, 158080), (80, 156104), (95, 131456), (104, 120080), (128, 97565), (130, 96064), (152, 82160), (158, 79040), (160, 78052), (190, 65728), (208, 60040), (247, 50560), (260, 48032), (304, 41080), (316, 39520), (320, 39026), (380, 32864), (395, 31616), (416, 30020), (494, 25280), (520, 24016), (608, 20540), (632, 19760), (640, 19513), (760, 16432), (790, 15808), (832, 15010), (988, 12640), (1027, 12160), (1040, 12008), (1216, 10270), (1235, 10112), (1264, 9880), (1501, 8320), (1520, 8216), (1580, 7904), (1664, 7505), (1976, 6320), (2054, 6080), (2080, 6004), (2432, 5135), (2470, 5056), (2528, 4940), (3002, 4160), (3040, 4108), (3160, 3952)]