20985568920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{41549}}^1$

素因数の和:41650

約数の個数: 192

約数和(自身を含む): 72336888000

約数和(自身を除く): 51351319080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 61, 69, 72, 90, 92, 115, 120, 122, 138, 180, 183, 184, 207, 230, 244, 276, 305, 345, 360, 366, 414, 460, 488, 549, 552, 610, 690, 732, 828, 915, 920, 1035, 1098, 1220, 1380, 1403, 1464, 1656, 1830, 2070, 2196, 2440, 2745, 2760, 2806, 3660, 4140, 4209, 4392, 5490, 5612, 7015, 7320, 8280, 8418, 10980, 11224, 12627, 14030, 16836, 21045, 21960, 25254, 28060, 33672, 41549, 42090, 50508, 56120, 63135, 83098, 84180, 101016, 124647, 126270, 166196, 168360, 207745, 249294, 252540, 332392, 373941, 415490, 498588, 505080, 623235, 747882, 830980, 955627, 997176, 1246470, 1495764, 1661960, 1869705, 1911254, 2492940, 2534489, 2866881, 2991528, 3739410, 3822508, 4778135, 4985880, 5068978, 5733762, 7478820, 7603467, 7645016, 8600643, 9556270, 10137956, 11467524, 12672445, 14334405, 14957640, 15206934, 17201286, 19112540, 20275912, 22810401, 22935048, 25344890, 28668810, 30413868, 34402572, 38017335, 38225080, 43003215, 45620802, 50689780, 57337620, 58293247, 60827736, 68805144, 76034670, 86006430, 91241604, 101379560, 114052005, 114675240, 116586494, 152069340, 172012860, 174879741, 182483208, 228104010, 233172988, 291466235, 304138680, 344025720, 349759482, 456208020, 466345976, 524639223, 582932470, 699518964, 874398705, 912416040, 1049278446, 1165864940, 1399037928, 1748797410, 2098556892, 2331729880, 2623196115, 3497594820, 4197113784, 5246392230, 6995189640, 10492784460, 20985568920]

約数ペア:

[(1, 20985568920), (2, 10492784460), (3, 6995189640), (4, 5246392230), (5, 4197113784), (6, 3497594820), (8, 2623196115), (9, 2331729880), (10, 2098556892), (12, 1748797410), (15, 1399037928), (18, 1165864940), (20, 1049278446), (23, 912416040), (24, 874398705), (30, 699518964), (36, 582932470), (40, 524639223), (45, 466345976), (46, 456208020), (60, 349759482), (61, 344025720), (69, 304138680), (72, 291466235), (90, 233172988), (92, 228104010), (115, 182483208), (120, 174879741), (122, 172012860), (138, 152069340), (180, 116586494), (183, 114675240), (184, 114052005), (207, 101379560), (230, 91241604), (244, 86006430), (276, 76034670), (305, 68805144), (345, 60827736), (360, 58293247), (366, 57337620), (414, 50689780), (460, 45620802), (488, 43003215), (549, 38225080), (552, 38017335), (610, 34402572), (690, 30413868), (732, 28668810), (828, 25344890), (915, 22935048), (920, 22810401), (1035, 20275912), (1098, 19112540), (1220, 17201286), (1380, 15206934), (1403, 14957640), (1464, 14334405), (1656, 12672445), (1830, 11467524), (2070, 10137956), (2196, 9556270), (2440, 8600643), (2745, 7645016), (2760, 7603467), (2806, 7478820), (3660, 5733762), (4140, 5068978), (4209, 4985880), (4392, 4778135), (5490, 3822508), (5612, 3739410), (7015, 2991528), (7320, 2866881), (8280, 2534489), (8418, 2492940), (10980, 1911254), (11224, 1869705), (12627, 1661960), (14030, 1495764), (16836, 1246470), (21045, 997176), (21960, 955627), (25254, 830980), (28060, 747882), (33672, 623235), (41549, 505080), (42090, 498588), (50508, 415490), (56120, 373941), (63135, 332392), (83098, 252540), (84180, 249294), (101016, 207745), (124647, 168360), (126270, 166196)]