71948240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9883}}^1$

素因数の和:9916

約数の個数: 80

約数和(自身を含む): 205903488

約数和(自身を除く): 133955248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9883, 19766, 39532, 49415, 69181, 79064, 98830, 128479, 138362, 158128, 197660, 256958, 276724, 345905, 395320, 513916, 553448, 642395, 691810, 790640, 899353, 1027832, 1106896, 1284790, 1383620, 1798706, 2055664, 2569580, 2767240, 3597412, 4496765, 5139160, 5534480, 7194824, 8993530, 10278320, 14389648, 17987060, 35974120, 71948240]

約数ペア:

[(1, 71948240), (2, 35974120), (4, 17987060), (5, 14389648), (7, 10278320), (8, 8993530), (10, 7194824), (13, 5534480), (14, 5139160), (16, 4496765), (20, 3597412), (26, 2767240), (28, 2569580), (35, 2055664), (40, 1798706), (52, 1383620), (56, 1284790), (65, 1106896), (70, 1027832), (80, 899353), (91, 790640), (104, 691810), (112, 642395), (130, 553448), (140, 513916), (182, 395320), (208, 345905), (260, 276724), (280, 256958), (364, 197660), (455, 158128), (520, 138362), (560, 128479), (728, 98830), (910, 79064), (1040, 69181), (1456, 49415), (1820, 39532), (3640, 19766), (7280, 9883)]