206891160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3561

約数の個数: 128

約数和(自身を含む): 719539200

約数和(自身を除く): 512648040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3469, 3976, 4260, 4970, 5964, 6938, 7455, 8520, 9940, 10407, 11928, 13876, 14910, 17345, 19880, 20814, 24283, 27752, 29820, 34690, 41628, 48566, 52035, 59640, 69380, 72849, 83256, 97132, 104070, 121415, 138760, 145698, 194264, 208140, 242830, 246299, 291396, 364245, 416280, 485660, 492598, 582792, 728490, 738897, 971320, 985196, 1231495, 1456980, 1477794, 1724093, 1970392, 2462990, 2913960, 2955588, 3448186, 3694485, 4925980, 5172279, 5911176, 6896372, 7388970, 8620465, 9851960, 10344558, 13792744, 14777940, 17240930, 20689116, 25861395, 29555880, 34481860, 41378232, 51722790, 68963720, 103445580, 206891160]

約数ペア:

[(1, 206891160), (2, 103445580), (3, 68963720), (4, 51722790), (5, 41378232), (6, 34481860), (7, 29555880), (8, 25861395), (10, 20689116), (12, 17240930), (14, 14777940), (15, 13792744), (20, 10344558), (21, 9851960), (24, 8620465), (28, 7388970), (30, 6896372), (35, 5911176), (40, 5172279), (42, 4925980), (56, 3694485), (60, 3448186), (70, 2955588), (71, 2913960), (84, 2462990), (105, 1970392), (120, 1724093), (140, 1477794), (142, 1456980), (168, 1231495), (210, 985196), (213, 971320), (280, 738897), (284, 728490), (355, 582792), (420, 492598), (426, 485660), (497, 416280), (568, 364245), (710, 291396), (840, 246299), (852, 242830), (994, 208140), (1065, 194264), (1420, 145698), (1491, 138760), (1704, 121415), (1988, 104070), (2130, 97132), (2485, 83256), (2840, 72849), (2982, 69380), (3469, 59640), (3976, 52035), (4260, 48566), (4970, 41628), (5964, 34690), (6938, 29820), (7455, 27752), (8520, 24283), (9940, 20814), (10407, 19880), (11928, 17345), (13876, 14910)]