39648780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 128366784

約数和(自身を除く): 88718004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 157, 180, 183, 207, 230, 244, 276, 305, 314, 345, 366, 414, 460, 471, 549, 610, 628, 690, 732, 785, 828, 915, 942, 1035, 1098, 1220, 1380, 1403, 1413, 1570, 1830, 1884, 2070, 2196, 2355, 2745, 2806, 2826, 3140, 3611, 3660, 4140, 4209, 4710, 5490, 5612, 5652, 7015, 7065, 7222, 8418, 9420, 9577, 10833, 10980, 12627, 14030, 14130, 14444, 16836, 18055, 19154, 21045, 21666, 25254, 28060, 28260, 28731, 32499, 36110, 38308, 42090, 43332, 47885, 50508, 54165, 57462, 63135, 64998, 72220, 84180, 86193, 95770, 108330, 114924, 126270, 129996, 143655, 162495, 172386, 191540, 216660, 220271, 252540, 287310, 324990, 344772, 430965, 440542, 574620, 649980, 660813, 861930, 881084, 1101355, 1321626, 1723860, 1982439, 2202710, 2643252, 3304065, 3964878, 4405420, 6608130, 7929756, 9912195, 13216260, 19824390, 39648780]

約数ペア:

[(1, 39648780), (2, 19824390), (3, 13216260), (4, 9912195), (5, 7929756), (6, 6608130), (9, 4405420), (10, 3964878), (12, 3304065), (15, 2643252), (18, 2202710), (20, 1982439), (23, 1723860), (30, 1321626), (36, 1101355), (45, 881084), (46, 861930), (60, 660813), (61, 649980), (69, 574620), (90, 440542), (92, 430965), (115, 344772), (122, 324990), (138, 287310), (157, 252540), (180, 220271), (183, 216660), (207, 191540), (230, 172386), (244, 162495), (276, 143655), (305, 129996), (314, 126270), (345, 114924), (366, 108330), (414, 95770), (460, 86193), (471, 84180), (549, 72220), (610, 64998), (628, 63135), (690, 57462), (732, 54165), (785, 50508), (828, 47885), (915, 43332), (942, 42090), (1035, 38308), (1098, 36110), (1220, 32499), (1380, 28731), (1403, 28260), (1413, 28060), (1570, 25254), (1830, 21666), (1884, 21045), (2070, 19154), (2196, 18055), (2355, 16836), (2745, 14444), (2806, 14130), (2826, 14030), (3140, 12627), (3611, 10980), (3660, 10833), (4140, 9577), (4209, 9420), (4710, 8418), (5490, 7222), (5612, 7065), (5652, 7015)]