28006680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 96

約数和(自身を含む): 91046160

約数和(自身を除く): 63039480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1381, 1560, 1690, 2028, 2535, 2762, 3380, 4056, 4143, 5070, 5524, 6760, 6905, 8286, 10140, 11048, 13810, 16572, 17953, 20280, 20715, 27620, 33144, 35906, 41430, 53859, 55240, 71812, 82860, 89765, 107718, 143624, 165720, 179530, 215436, 233389, 269295, 359060, 430872, 466778, 538590, 700167, 718120, 933556, 1077180, 1166945, 1400334, 1867112, 2154360, 2333890, 2800668, 3500835, 4667780, 5601336, 7001670, 9335560, 14003340, 28006680]

約数ペア:

[(1, 28006680), (2, 14003340), (3, 9335560), (4, 7001670), (5, 5601336), (6, 4667780), (8, 3500835), (10, 2800668), (12, 2333890), (13, 2154360), (15, 1867112), (20, 1400334), (24, 1166945), (26, 1077180), (30, 933556), (39, 718120), (40, 700167), (52, 538590), (60, 466778), (65, 430872), (78, 359060), (104, 269295), (120, 233389), (130, 215436), (156, 179530), (169, 165720), (195, 143624), (260, 107718), (312, 89765), (338, 82860), (390, 71812), (507, 55240), (520, 53859), (676, 41430), (780, 35906), (845, 33144), (1014, 27620), (1352, 20715), (1381, 20280), (1560, 17953), (1690, 16572), (2028, 13810), (2535, 11048), (2762, 10140), (3380, 8286), (4056, 6905), (4143, 6760), (5070, 5524)]