428195340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{28661}}^1$

素因数の和:28759

約数の個数: 72

約数和(自身を含む): 1314553968

約数和(自身を除く): 886358628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 28661, 57322, 85983, 114644, 143305, 171966, 257949, 286610, 343932, 429915, 515898, 573220, 859830, 1031796, 1289745, 1719660, 2378863, 2579490, 4757726, 5158980, 7136589, 9515452, 11894315, 14273178, 21409767, 23788630, 28546356, 35682945, 42819534, 47577260, 71365890, 85639068, 107048835, 142731780, 214097670, 428195340]

約数ペア:

[(1, 428195340), (2, 214097670), (3, 142731780), (4, 107048835), (5, 85639068), (6, 71365890), (9, 47577260), (10, 42819534), (12, 35682945), (15, 28546356), (18, 23788630), (20, 21409767), (30, 14273178), (36, 11894315), (45, 9515452), (60, 7136589), (83, 5158980), (90, 4757726), (166, 2579490), (180, 2378863), (249, 1719660), (332, 1289745), (415, 1031796), (498, 859830), (747, 573220), (830, 515898), (996, 429915), (1245, 343932), (1494, 286610), (1660, 257949), (2490, 171966), (2988, 143305), (3735, 114644), (4980, 85983), (7470, 57322), (14940, 28661)]