144346540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17909}}^1$

素因数の和:17962

約数の個数: 48

約数和(自身を含む): 336994560

約数和(自身を除く): 192648020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 17909, 35818, 71636, 89545, 179090, 232817, 358180, 465634, 555179, 931268, 1110358, 1164085, 2220716, 2328170, 2775895, 4656340, 5551790, 7217327, 11103580, 14434654, 28869308, 36086635, 72173270, 144346540]

約数ペア:

[(1, 144346540), (2, 72173270), (4, 36086635), (5, 28869308), (10, 14434654), (13, 11103580), (20, 7217327), (26, 5551790), (31, 4656340), (52, 2775895), (62, 2328170), (65, 2220716), (124, 1164085), (130, 1110358), (155, 931268), (260, 555179), (310, 465634), (403, 358180), (620, 232817), (806, 179090), (1612, 89545), (2015, 71636), (4030, 35818), (8060, 17909)]