783640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 2086560

約数和(自身を除く): 1302920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 137, 143, 220, 260, 274, 286, 440, 520, 548, 572, 685, 715, 1096, 1144, 1370, 1430, 1507, 1781, 2740, 2860, 3014, 3562, 5480, 5720, 6028, 7124, 7535, 8905, 12056, 14248, 15070, 17810, 19591, 30140, 35620, 39182, 60280, 71240, 78364, 97955, 156728, 195910, 391820, 783640]

約数ペア:

[(1, 783640), (2, 391820), (4, 195910), (5, 156728), (8, 97955), (10, 78364), (11, 71240), (13, 60280), (20, 39182), (22, 35620), (26, 30140), (40, 19591), (44, 17810), (52, 15070), (55, 14248), (65, 12056), (88, 8905), (104, 7535), (110, 7124), (130, 6028), (137, 5720), (143, 5480), (220, 3562), (260, 3014), (274, 2860), (286, 2740), (440, 1781), (520, 1507), (548, 1430), (572, 1370), (685, 1144), (715, 1096)]