21998068080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{1823}}^1$

素因数の和:2343

約数の個数: 160

約数和(自身を含む): 68916731904

約数和(自身を除く): 46918663824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 367, 411, 548, 685, 734, 822, 1096, 1101, 1370, 1468, 1644, 1823, 1835, 2055, 2192, 2202, 2740, 2936, 3288, 3646, 3670, 4110, 4404, 5469, 5480, 5505, 5872, 6576, 7292, 7340, 8220, 8808, 9115, 10938, 10960, 11010, 14584, 14680, 16440, 17616, 18230, 21876, 22020, 27345, 29168, 29360, 32880, 36460, 43752, 44040, 50279, 54690, 72920, 87504, 88080, 100558, 109380, 145840, 150837, 201116, 218760, 249751, 251395, 301674, 402232, 437520, 499502, 502790, 603348, 669041, 749253, 754185, 804464, 999004, 1005580, 1206696, 1248755, 1338082, 1498506, 1508370, 1998008, 2007123, 2011160, 2413392, 2497510, 2676164, 2997012, 3016740, 3345205, 3746265, 3996016, 4014246, 4022320, 4995020, 5352328, 5994024, 6033480, 6690410, 7492530, 8028492, 9990040, 10035615, 10704656, 11988048, 12066960, 13380820, 14985060, 16056984, 19980080, 20071230, 26761640, 29970120, 32113968, 40142460, 53523280, 59940240, 80284920, 91658617, 160569840, 183317234, 274975851, 366634468, 458293085, 549951702, 733268936, 916586170, 1099903404, 1374879255, 1466537872, 1833172340, 2199806808, 2749758510, 3666344680, 4399613616, 5499517020, 7332689360, 10999034040, 21998068080]

約数ペア:

[(1, 21998068080), (2, 10999034040), (3, 7332689360), (4, 5499517020), (5, 4399613616), (6, 3666344680), (8, 2749758510), (10, 2199806808), (12, 1833172340), (15, 1466537872), (16, 1374879255), (20, 1099903404), (24, 916586170), (30, 733268936), (40, 549951702), (48, 458293085), (60, 366634468), (80, 274975851), (120, 183317234), (137, 160569840), (240, 91658617), (274, 80284920), (367, 59940240), (411, 53523280), (548, 40142460), (685, 32113968), (734, 29970120), (822, 26761640), (1096, 20071230), (1101, 19980080), (1370, 16056984), (1468, 14985060), (1644, 13380820), (1823, 12066960), (1835, 11988048), (2055, 10704656), (2192, 10035615), (2202, 9990040), (2740, 8028492), (2936, 7492530), (3288, 6690410), (3646, 6033480), (3670, 5994024), (4110, 5352328), (4404, 4995020), (5469, 4022320), (5480, 4014246), (5505, 3996016), (5872, 3746265), (6576, 3345205), (7292, 3016740), (7340, 2997012), (8220, 2676164), (8808, 2497510), (9115, 2413392), (10938, 2011160), (10960, 2007123), (11010, 1998008), (14584, 1508370), (14680, 1498506), (16440, 1338082), (17616, 1248755), (18230, 1206696), (21876, 1005580), (22020, 999004), (27345, 804464), (29168, 754185), (29360, 749253), (32880, 669041), (36460, 603348), (43752, 502790), (44040, 499502), (50279, 437520), (54690, 402232), (72920, 301674), (87504, 251395), (88080, 249751), (100558, 218760), (109380, 201116), (145840, 150837)]