254359620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 804323520

約数和(自身を除く): 549963900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 59, 60, 86, 90, 118, 129, 172, 177, 180, 215, 236, 258, 295, 354, 387, 430, 516, 531, 557, 590, 645, 708, 774, 860, 885, 1062, 1114, 1180, 1290, 1548, 1671, 1770, 1935, 2124, 2228, 2537, 2580, 2655, 2785, 3342, 3540, 3870, 5013, 5074, 5310, 5570, 6684, 7611, 7740, 8355, 10026, 10148, 10620, 11140, 12685, 15222, 16710, 20052, 22833, 23951, 25065, 25370, 30444, 32863, 33420, 38055, 45666, 47902, 50130, 50740, 65726, 71853, 76110, 91332, 95804, 98589, 100260, 114165, 119755, 131452, 143706, 152220, 164315, 197178, 215559, 228330, 239510, 287412, 295767, 328630, 359265, 394356, 431118, 456660, 479020, 492945, 591534, 657260, 718530, 862236, 985890, 1077795, 1183068, 1413109, 1437060, 1478835, 1971780, 2155590, 2826218, 2957670, 4239327, 4311180, 5652436, 5915340, 7065545, 8478654, 12717981, 14131090, 16957308, 21196635, 25435962, 28262180, 42393270, 50871924, 63589905, 84786540, 127179810, 254359620]

約数ペア:

[(1, 254359620), (2, 127179810), (3, 84786540), (4, 63589905), (5, 50871924), (6, 42393270), (9, 28262180), (10, 25435962), (12, 21196635), (15, 16957308), (18, 14131090), (20, 12717981), (30, 8478654), (36, 7065545), (43, 5915340), (45, 5652436), (59, 4311180), (60, 4239327), (86, 2957670), (90, 2826218), (118, 2155590), (129, 1971780), (172, 1478835), (177, 1437060), (180, 1413109), (215, 1183068), (236, 1077795), (258, 985890), (295, 862236), (354, 718530), (387, 657260), (430, 591534), (516, 492945), (531, 479020), (557, 456660), (590, 431118), (645, 394356), (708, 359265), (774, 328630), (860, 295767), (885, 287412), (1062, 239510), (1114, 228330), (1180, 215559), (1290, 197178), (1548, 164315), (1671, 152220), (1770, 143706), (1935, 131452), (2124, 119755), (2228, 114165), (2537, 100260), (2580, 98589), (2655, 95804), (2785, 91332), (3342, 76110), (3540, 71853), (3870, 65726), (5013, 50740), (5074, 50130), (5310, 47902), (5570, 45666), (6684, 38055), (7611, 33420), (7740, 32863), (8355, 30444), (10026, 25370), (10148, 25065), (10620, 23951), (11140, 22833), (12685, 20052), (15222, 16710)]