1280291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547133}}^1$

素因数の和:547161

約数の個数: 72

約数和(自身を含む): 4182292296

約数和(自身を除く): 2902001076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 547133, 1094266, 1641399, 2188532, 2735665, 3282798, 4924197, 5471330, 6565596, 7112729, 8206995, 9848394, 10942660, 14225458, 16413990, 19696788, 21338187, 24620985, 28450916, 32827980, 35563645, 42676374, 49241970, 64014561, 71127290, 85352748, 98483940, 106690935, 128029122, 142254580, 213381870, 256058244, 320072805, 426763740, 640145610, 1280291220]

約数ペア:

[(1, 1280291220), (2, 640145610), (3, 426763740), (4, 320072805), (5, 256058244), (6, 213381870), (9, 142254580), (10, 128029122), (12, 106690935), (13, 98483940), (15, 85352748), (18, 71127290), (20, 64014561), (26, 49241970), (30, 42676374), (36, 35563645), (39, 32827980), (45, 28450916), (52, 24620985), (60, 21338187), (65, 19696788), (78, 16413990), (90, 14225458), (117, 10942660), (130, 9848394), (156, 8206995), (180, 7112729), (195, 6565596), (234, 5471330), (260, 4924197), (390, 3282798), (468, 2735665), (585, 2188532), (780, 1641399), (1170, 1094266), (2340, 547133)]