640072536

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 1626240000

約数和(自身を除く): 986167464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 439, 474, 632, 769, 878, 948, 1317, 1538, 1756, 1896, 2307, 2634, 3076, 3512, 4614, 5268, 6152, 9228, 10536, 18456, 34681, 60751, 69362, 104043, 121502, 138724, 182253, 208086, 243004, 277448, 337591, 364506, 416172, 486008, 675182, 729012, 832344, 1012773, 1350364, 1458024, 2025546, 2700728, 4051092, 8102184, 26669689, 53339378, 80009067, 106678756, 160018134, 213357512, 320036268, 640072536]

約数ペア:

[(1, 640072536), (2, 320036268), (3, 213357512), (4, 160018134), (6, 106678756), (8, 80009067), (12, 53339378), (24, 26669689), (79, 8102184), (158, 4051092), (237, 2700728), (316, 2025546), (439, 1458024), (474, 1350364), (632, 1012773), (769, 832344), (878, 729012), (948, 675182), (1317, 486008), (1538, 416172), (1756, 364506), (1896, 337591), (2307, 277448), (2634, 243004), (3076, 208086), (3512, 182253), (4614, 138724), (5268, 121502), (6152, 104043), (9228, 69362), (10536, 60751), (18456, 34681)]