2017665780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{1399}}^1$

素因数の和:1510

約数の個数: 144

約数和(自身を含む): 6233270400

約数和(自身を除く): 4215604620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1399, 1677, 1849, 2236, 2580, 2795, 2798, 3354, 3698, 4197, 5547, 5590, 5596, 6708, 6995, 7396, 8385, 8394, 9245, 11094, 11180, 13990, 16770, 16788, 18187, 18490, 20985, 22188, 24037, 27735, 27980, 33540, 36374, 36980, 41970, 48074, 54561, 55470, 60157, 72111, 72748, 83940, 90935, 96148, 109122, 110940, 120185, 120314, 144222, 180471, 181870, 218244, 240370, 240628, 272805, 288444, 300785, 360555, 360942, 363740, 480740, 545610, 601570, 721110, 721884, 782041, 902355, 1091220, 1203140, 1442220, 1564082, 1804710, 2346123, 2586751, 3128164, 3609420, 3910205, 4692246, 5173502, 7760253, 7820410, 9384492, 10347004, 11730615, 12933755, 15520506, 15640820, 23461230, 25867510, 31041012, 33627763, 38801265, 46922460, 51735020, 67255526, 77602530, 100883289, 134511052, 155205060, 168138815, 201766578, 336277630, 403533156, 504416445, 672555260, 1008832890, 2017665780]

約数ペア:

[(1, 2017665780), (2, 1008832890), (3, 672555260), (4, 504416445), (5, 403533156), (6, 336277630), (10, 201766578), (12, 168138815), (13, 155205060), (15, 134511052), (20, 100883289), (26, 77602530), (30, 67255526), (39, 51735020), (43, 46922460), (52, 38801265), (60, 33627763), (65, 31041012), (78, 25867510), (86, 23461230), (129, 15640820), (130, 15520506), (156, 12933755), (172, 11730615), (195, 10347004), (215, 9384492), (258, 7820410), (260, 7760253), (390, 5173502), (430, 4692246), (516, 3910205), (559, 3609420), (645, 3128164), (780, 2586751), (860, 2346123), (1118, 1804710), (1290, 1564082), (1399, 1442220), (1677, 1203140), (1849, 1091220), (2236, 902355), (2580, 782041), (2795, 721884), (2798, 721110), (3354, 601570), (3698, 545610), (4197, 480740), (5547, 363740), (5590, 360942), (5596, 360555), (6708, 300785), (6995, 288444), (7396, 272805), (8385, 240628), (8394, 240370), (9245, 218244), (11094, 181870), (11180, 180471), (13990, 144222), (16770, 120314), (16788, 120185), (18187, 110940), (18490, 109122), (20985, 96148), (22188, 90935), (24037, 83940), (27735, 72748), (27980, 72111), (33540, 60157), (36374, 55470), (36980, 54561), (41970, 48074)]