1991891160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{112919}}^1$

素因数の和:112950

約数の個数: 144

約数和(自身を含む): 7530634800

約数和(自身を除く): 5538743640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 112919, 225838, 338757, 451676, 564595, 677514, 790433, 903352, 1016271, 1129190, 1355028, 1580866, 1693785, 2032542, 2258380, 2371299, 2710056, 3161732, 3387570, 3952165, 4065084, 4516760, 4742598, 5081355, 5533031, 6323464, 6775140, 7113897, 7904330, 8130168, 9485196, 10162710, 11066062, 11856495, 13550280, 14227794, 15808660, 16599093, 18970392, 20325420, 22132124, 23712990, 27665155, 28455588, 31617320, 33198186, 35569485, 40650840, 44264248, 47425980, 49797279, 55330310, 56911176, 66396372, 71138970, 82995465, 94851960, 99594558, 110660620, 132792744, 142277940, 165990930, 199189116, 221321240, 248986395, 284555880, 331981860, 398378232, 497972790, 663963720, 995945580, 1991891160]

約数ペア:

[(1, 1991891160), (2, 995945580), (3, 663963720), (4, 497972790), (5, 398378232), (6, 331981860), (7, 284555880), (8, 248986395), (9, 221321240), (10, 199189116), (12, 165990930), (14, 142277940), (15, 132792744), (18, 110660620), (20, 99594558), (21, 94851960), (24, 82995465), (28, 71138970), (30, 66396372), (35, 56911176), (36, 55330310), (40, 49797279), (42, 47425980), (45, 44264248), (49, 40650840), (56, 35569485), (60, 33198186), (63, 31617320), (70, 28455588), (72, 27665155), (84, 23712990), (90, 22132124), (98, 20325420), (105, 18970392), (120, 16599093), (126, 15808660), (140, 14227794), (147, 13550280), (168, 11856495), (180, 11066062), (196, 10162710), (210, 9485196), (245, 8130168), (252, 7904330), (280, 7113897), (294, 6775140), (315, 6323464), (360, 5533031), (392, 5081355), (420, 4742598), (441, 4516760), (490, 4065084), (504, 3952165), (588, 3387570), (630, 3161732), (735, 2710056), (840, 2371299), (882, 2258380), (980, 2032542), (1176, 1693785), (1260, 1580866), (1470, 1355028), (1764, 1129190), (1960, 1016271), (2205, 903352), (2520, 790433), (2940, 677514), (3528, 564595), (4410, 451676), (5880, 338757), (8820, 225838), (17640, 112919)]