1991232358560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{4339}}^1\times {\mathrm{318691}}^1$

素因数の和:323051

約数の個数: 144

約数和(自身を含む): 6796667797920

約数和(自身を除く): 4805435439360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 4339, 8678, 13017, 17356, 21695, 26034, 34712, 39051, 43390, 52068, 65085, 69424, 78102, 86780, 104136, 130170, 138848, 156204, 173560, 195255, 208272, 260340, 312408, 318691, 347120, 390510, 416544, 520680, 624816, 637382, 694240, 781020, 956073, 1041360, 1249632, 1274764, 1562040, 1593455, 1912146, 2082720, 2549528, 2868219, 3124080, 3186910, 3824292, 4780365, 5099056, 5736438, 6248160, 6373820, 7648584, 9560730, 10198112, 11472876, 12747640, 14341095, 15297168, 19121460, 22945752, 25495280, 28682190, 30594336, 38242920, 45891504, 50990560, 57364380, 76485840, 91783008, 114728760, 152971680, 229457520, 458915040, 1382800249, 2765600498, 4148400747, 5531200996, 6914001245, 8296801494, 11062401992, 12445202241, 13828002490, 16593602988, 20742003735, 22124803984, 24890404482, 27656004980, 33187205976, 41484007470, 44249607968, 49780808964, 55312009960, 62226011205, 66374411952, 82968014940, 99561617928, 110624019920, 124452022410, 132748823904, 165936029880, 199123235856, 221248039840, 248904044820, 331872059760, 398246471712, 497808089640, 663744119520, 995616179280, 1991232358560]

約数ペア:

[(1, 1991232358560), (2, 995616179280), (3, 663744119520), (4, 497808089640), (5, 398246471712), (6, 331872059760), (8, 248904044820), (9, 221248039840), (10, 199123235856), (12, 165936029880), (15, 132748823904), (16, 124452022410), (18, 110624019920), (20, 99561617928), (24, 82968014940), (30, 66374411952), (32, 62226011205), (36, 55312009960), (40, 49780808964), (45, 44249607968), (48, 41484007470), (60, 33187205976), (72, 27656004980), (80, 24890404482), (90, 22124803984), (96, 20742003735), (120, 16593602988), (144, 13828002490), (160, 12445202241), (180, 11062401992), (240, 8296801494), (288, 6914001245), (360, 5531200996), (480, 4148400747), (720, 2765600498), (1440, 1382800249), (4339, 458915040), (8678, 229457520), (13017, 152971680), (17356, 114728760), (21695, 91783008), (26034, 76485840), (34712, 57364380), (39051, 50990560), (43390, 45891504), (52068, 38242920), (65085, 30594336), (69424, 28682190), (78102, 25495280), (86780, 22945752), (104136, 19121460), (130170, 15297168), (138848, 14341095), (156204, 12747640), (173560, 11472876), (195255, 10198112), (208272, 9560730), (260340, 7648584), (312408, 6373820), (318691, 6248160), (347120, 5736438), (390510, 5099056), (416544, 4780365), (520680, 3824292), (624816, 3186910), (637382, 3124080), (694240, 2868219), (781020, 2549528), (956073, 2082720), (1041360, 1912146), (1249632, 1593455), (1274764, 1562040)]