260078728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 632217600

約数和(自身を除く): 372138872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 97, 104, 116, 127, 182, 194, 203, 232, 254, 364, 377, 388, 406, 508, 679, 728, 754, 776, 812, 889, 1016, 1261, 1358, 1508, 1624, 1651, 1778, 2522, 2639, 2716, 2813, 3016, 3302, 3556, 3683, 5044, 5278, 5432, 5626, 6604, 7112, 7366, 8827, 10088, 10556, 11252, 11557, 12319, 13208, 14732, 17654, 19691, 21112, 22504, 23114, 24638, 25781, 29464, 35308, 36569, 39382, 46228, 47879, 49276, 51562, 70616, 73138, 78764, 86233, 92456, 95758, 98552, 103124, 146276, 157528, 160147, 172466, 191516, 206248, 255983, 292552, 320294, 335153, 344932, 357251, 383032, 511966, 640588, 670306, 689864, 714502, 1023932, 1121029, 1281176, 1340612, 1429004, 2047864, 2242058, 2500757, 2681224, 2858008, 4484116, 4644263, 5001514, 8968232, 9288526, 10003028, 18577052, 20006056, 32509841, 37154104, 65019682, 130039364, 260078728]

約数ペア:

[(1, 260078728), (2, 130039364), (4, 65019682), (7, 37154104), (8, 32509841), (13, 20006056), (14, 18577052), (26, 10003028), (28, 9288526), (29, 8968232), (52, 5001514), (56, 4644263), (58, 4484116), (91, 2858008), (97, 2681224), (104, 2500757), (116, 2242058), (127, 2047864), (182, 1429004), (194, 1340612), (203, 1281176), (232, 1121029), (254, 1023932), (364, 714502), (377, 689864), (388, 670306), (406, 640588), (508, 511966), (679, 383032), (728, 357251), (754, 344932), (776, 335153), (812, 320294), (889, 292552), (1016, 255983), (1261, 206248), (1358, 191516), (1508, 172466), (1624, 160147), (1651, 157528), (1778, 146276), (2522, 103124), (2639, 98552), (2716, 95758), (2813, 92456), (3016, 86233), (3302, 78764), (3556, 73138), (3683, 70616), (5044, 51562), (5278, 49276), (5432, 47879), (5626, 46228), (6604, 39382), (7112, 36569), (7366, 35308), (8827, 29464), (10088, 25781), (10556, 24638), (11252, 23114), (11557, 22504), (12319, 21112), (13208, 19691), (14732, 17654)]