28933920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 100481472

約数和(自身を除く): 71547552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 283, 284, 288, 355, 360, 426, 480, 566, 568, 639, 710, 720, 849, 852, 1065, 1132, 1136, 1278, 1415, 1420, 1440, 1698, 1704, 2130, 2264, 2272, 2547, 2556, 2830, 2840, 3195, 3396, 3408, 4245, 4260, 4528, 5094, 5112, 5660, 5680, 6390, 6792, 6816, 8490, 8520, 9056, 10188, 10224, 11320, 11360, 12735, 12780, 13584, 16980, 17040, 20093, 20376, 20448, 22640, 25470, 25560, 27168, 33960, 34080, 40186, 40752, 45280, 50940, 51120, 60279, 67920, 80372, 81504, 100465, 101880, 102240, 120558, 135840, 160744, 180837, 200930, 203760, 241116, 301395, 321488, 361674, 401860, 407520, 482232, 602790, 642976, 723348, 803720, 904185, 964464, 1205580, 1446696, 1607440, 1808370, 1928928, 2411160, 2893392, 3214880, 3616740, 4822320, 5786784, 7233480, 9644640, 14466960, 28933920]

約数ペア:

[(1, 28933920), (2, 14466960), (3, 9644640), (4, 7233480), (5, 5786784), (6, 4822320), (8, 3616740), (9, 3214880), (10, 2893392), (12, 2411160), (15, 1928928), (16, 1808370), (18, 1607440), (20, 1446696), (24, 1205580), (30, 964464), (32, 904185), (36, 803720), (40, 723348), (45, 642976), (48, 602790), (60, 482232), (71, 407520), (72, 401860), (80, 361674), (90, 321488), (96, 301395), (120, 241116), (142, 203760), (144, 200930), (160, 180837), (180, 160744), (213, 135840), (240, 120558), (283, 102240), (284, 101880), (288, 100465), (355, 81504), (360, 80372), (426, 67920), (480, 60279), (566, 51120), (568, 50940), (639, 45280), (710, 40752), (720, 40186), (849, 34080), (852, 33960), (1065, 27168), (1132, 25560), (1136, 25470), (1278, 22640), (1415, 20448), (1420, 20376), (1440, 20093), (1698, 17040), (1704, 16980), (2130, 13584), (2264, 12780), (2272, 12735), (2547, 11360), (2556, 11320), (2830, 10224), (2840, 10188), (3195, 9056), (3396, 8520), (3408, 8490), (4245, 6816), (4260, 6792), (4528, 6390), (5094, 5680), (5112, 5660)]