1991325960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{919}}^1$

素因数の和:1412

約数の個数: 192

約数和(自身を含む): 6992294400

約数和(自身を除く): 5000968440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 463, 468, 520, 585, 780, 919, 926, 936, 1170, 1389, 1560, 1838, 1852, 2315, 2340, 2757, 2778, 3676, 3704, 4167, 4595, 4630, 4680, 5514, 5556, 6019, 6945, 7352, 8271, 8334, 9190, 9260, 11028, 11112, 11947, 12038, 13785, 13890, 16542, 16668, 18057, 18380, 18520, 20835, 22056, 23894, 24076, 27570, 27780, 30095, 33084, 33336, 35841, 36114, 36760, 41355, 41670, 47788, 48152, 54171, 55140, 55560, 59735, 60190, 66168, 71682, 72228, 82710, 83340, 90285, 95576, 107523, 108342, 110280, 119470, 120380, 143364, 144456, 165420, 166680, 179205, 180570, 215046, 216684, 238940, 240760, 270855, 286728, 330840, 358410, 361140, 425497, 430092, 433368, 477880, 537615, 541710, 716820, 722280, 850994, 860184, 1075230, 1083420, 1276491, 1433640, 1701988, 2127485, 2150460, 2166840, 2552982, 3403976, 3829473, 4254970, 4300920, 5105964, 5531461, 6382455, 7658946, 8509940, 10211928, 11062922, 12764910, 15317892, 16594383, 17019880, 19147365, 22125844, 25529820, 27657305, 30635784, 33188766, 38294730, 44251688, 49783149, 51059640, 55314610, 66377532, 76589460, 82971915, 99566298, 110629220, 132755064, 153178920, 165943830, 199132596, 221258440, 248915745, 331887660, 398265192, 497831490, 663775320, 995662980, 1991325960]

約数ペア:

[(1, 1991325960), (2, 995662980), (3, 663775320), (4, 497831490), (5, 398265192), (6, 331887660), (8, 248915745), (9, 221258440), (10, 199132596), (12, 165943830), (13, 153178920), (15, 132755064), (18, 110629220), (20, 99566298), (24, 82971915), (26, 76589460), (30, 66377532), (36, 55314610), (39, 51059640), (40, 49783149), (45, 44251688), (52, 38294730), (60, 33188766), (65, 30635784), (72, 27657305), (78, 25529820), (90, 22125844), (104, 19147365), (117, 17019880), (120, 16594383), (130, 15317892), (156, 12764910), (180, 11062922), (195, 10211928), (234, 8509940), (260, 7658946), (312, 6382455), (360, 5531461), (390, 5105964), (463, 4300920), (468, 4254970), (520, 3829473), (585, 3403976), (780, 2552982), (919, 2166840), (926, 2150460), (936, 2127485), (1170, 1701988), (1389, 1433640), (1560, 1276491), (1838, 1083420), (1852, 1075230), (2315, 860184), (2340, 850994), (2757, 722280), (2778, 716820), (3676, 541710), (3704, 537615), (4167, 477880), (4595, 433368), (4630, 430092), (4680, 425497), (5514, 361140), (5556, 358410), (6019, 330840), (6945, 286728), (7352, 270855), (8271, 240760), (8334, 238940), (9190, 216684), (9260, 215046), (11028, 180570), (11112, 179205), (11947, 166680), (12038, 165420), (13785, 144456), (13890, 143364), (16542, 120380), (16668, 119470), (18057, 110280), (18380, 108342), (18520, 107523), (20835, 95576), (22056, 90285), (23894, 83340), (24076, 82710), (27570, 72228), (27780, 71682), (30095, 66168), (33084, 60190), (33336, 59735), (35841, 55560), (36114, 55140), (36760, 54171), (41355, 48152), (41670, 47788)]