48638720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 130488960

約数和(自身を除く): 81850240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 79, 80, 104, 128, 130, 148, 158, 160, 185, 208, 256, 260, 296, 316, 320, 370, 395, 416, 481, 520, 592, 632, 640, 740, 790, 832, 962, 1027, 1040, 1184, 1264, 1280, 1480, 1580, 1664, 1924, 2054, 2080, 2368, 2405, 2528, 2923, 2960, 3160, 3328, 3848, 4108, 4160, 4736, 4810, 5056, 5135, 5846, 5920, 6320, 7696, 8216, 8320, 9472, 9620, 10112, 10270, 11692, 11840, 12640, 14615, 15392, 16432, 16640, 19240, 20224, 20540, 23384, 23680, 25280, 29230, 30784, 32864, 37999, 38480, 41080, 46768, 47360, 50560, 58460, 61568, 65728, 75998, 76960, 82160, 93536, 101120, 116920, 123136, 131456, 151996, 153920, 164320, 187072, 189995, 233840, 262912, 303992, 307840, 328640, 374144, 379990, 467680, 607984, 615680, 657280, 748288, 759980, 935360, 1215968, 1314560, 1519960, 1870720, 2431936, 3039920, 3741440, 4863872, 6079840, 9727744, 12159680, 24319360, 48638720]

約数ペア:

[(1, 48638720), (2, 24319360), (4, 12159680), (5, 9727744), (8, 6079840), (10, 4863872), (13, 3741440), (16, 3039920), (20, 2431936), (26, 1870720), (32, 1519960), (37, 1314560), (40, 1215968), (52, 935360), (64, 759980), (65, 748288), (74, 657280), (79, 615680), (80, 607984), (104, 467680), (128, 379990), (130, 374144), (148, 328640), (158, 307840), (160, 303992), (185, 262912), (208, 233840), (256, 189995), (260, 187072), (296, 164320), (316, 153920), (320, 151996), (370, 131456), (395, 123136), (416, 116920), (481, 101120), (520, 93536), (592, 82160), (632, 76960), (640, 75998), (740, 65728), (790, 61568), (832, 58460), (962, 50560), (1027, 47360), (1040, 46768), (1184, 41080), (1264, 38480), (1280, 37999), (1480, 32864), (1580, 30784), (1664, 29230), (1924, 25280), (2054, 23680), (2080, 23384), (2368, 20540), (2405, 20224), (2528, 19240), (2923, 16640), (2960, 16432), (3160, 15392), (3328, 14615), (3848, 12640), (4108, 11840), (4160, 11692), (4736, 10270), (4810, 10112), (5056, 9620), (5135, 9472), (5846, 8320), (5920, 8216), (6320, 7696)]