7212920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 19368720

約数和(自身を除く): 12155800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 97, 104, 110, 130, 143, 169, 194, 220, 260, 286, 338, 388, 440, 485, 520, 572, 676, 715, 776, 845, 970, 1067, 1144, 1261, 1352, 1430, 1690, 1859, 1940, 2134, 2522, 2860, 3380, 3718, 3880, 4268, 5044, 5335, 5720, 6305, 6760, 7436, 8536, 9295, 10088, 10670, 12610, 13871, 14872, 16393, 18590, 21340, 25220, 27742, 32786, 37180, 42680, 50440, 55484, 65572, 69355, 74360, 81965, 110968, 131144, 138710, 163930, 180323, 277420, 327860, 360646, 554840, 655720, 721292, 901615, 1442584, 1803230, 3606460, 7212920]

約数ペア:

[(1, 7212920), (2, 3606460), (4, 1803230), (5, 1442584), (8, 901615), (10, 721292), (11, 655720), (13, 554840), (20, 360646), (22, 327860), (26, 277420), (40, 180323), (44, 163930), (52, 138710), (55, 131144), (65, 110968), (88, 81965), (97, 74360), (104, 69355), (110, 65572), (130, 55484), (143, 50440), (169, 42680), (194, 37180), (220, 32786), (260, 27742), (286, 25220), (338, 21340), (388, 18590), (440, 16393), (485, 14872), (520, 13871), (572, 12610), (676, 10670), (715, 10088), (776, 9295), (845, 8536), (970, 7436), (1067, 6760), (1144, 6305), (1261, 5720), (1352, 5335), (1430, 5044), (1690, 4268), (1859, 3880), (1940, 3718), (2134, 3380), (2522, 2860)]