72080320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17327}}^1$

素因数の和:17357

約数の個数: 56

約数和(自身を含む): 184855104

約数和(自身を除く): 112774784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 17327, 34654, 69308, 86635, 138616, 173270, 225251, 277232, 346540, 450502, 554464, 693080, 901004, 1108928, 1126255, 1386160, 1802008, 2252510, 2772320, 3604016, 4505020, 5544640, 7208032, 9010040, 14416064, 18020080, 36040160, 72080320]

約数ペア:

[(1, 72080320), (2, 36040160), (4, 18020080), (5, 14416064), (8, 9010040), (10, 7208032), (13, 5544640), (16, 4505020), (20, 3604016), (26, 2772320), (32, 2252510), (40, 1802008), (52, 1386160), (64, 1126255), (65, 1108928), (80, 901004), (104, 693080), (130, 554464), (160, 450502), (208, 346540), (260, 277232), (320, 225251), (416, 173270), (520, 138616), (832, 86635), (1040, 69308), (2080, 34654), (4160, 17327)]