218126720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 601473600

約数和(自身を除く): 383346880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 181, 224, 269, 280, 320, 362, 448, 538, 560, 640, 724, 896, 905, 1076, 1120, 1267, 1345, 1448, 1810, 1883, 2152, 2240, 2534, 2690, 2896, 3620, 3766, 4304, 4480, 5068, 5380, 5792, 6335, 7240, 7532, 8608, 9415, 10136, 10760, 11584, 12670, 14480, 15064, 17216, 18830, 20272, 21520, 23168, 25340, 28960, 30128, 34432, 37660, 40544, 43040, 48689, 50680, 57920, 60256, 75320, 81088, 86080, 97378, 101360, 115840, 120512, 150640, 162176, 172160, 194756, 202720, 241024, 243445, 301280, 340823, 389512, 405440, 486890, 602560, 681646, 779024, 810880, 973780, 1205120, 1363292, 1558048, 1704115, 1947560, 2726584, 3116096, 3408230, 3895120, 5453168, 6232192, 6816460, 7790240, 10906336, 13632920, 15580480, 21812672, 27265840, 31160960, 43625344, 54531680, 109063360, 218126720]

約数ペア:

[(1, 218126720), (2, 109063360), (4, 54531680), (5, 43625344), (7, 31160960), (8, 27265840), (10, 21812672), (14, 15580480), (16, 13632920), (20, 10906336), (28, 7790240), (32, 6816460), (35, 6232192), (40, 5453168), (56, 3895120), (64, 3408230), (70, 3116096), (80, 2726584), (112, 1947560), (128, 1704115), (140, 1558048), (160, 1363292), (181, 1205120), (224, 973780), (269, 810880), (280, 779024), (320, 681646), (362, 602560), (448, 486890), (538, 405440), (560, 389512), (640, 340823), (724, 301280), (896, 243445), (905, 241024), (1076, 202720), (1120, 194756), (1267, 172160), (1345, 162176), (1448, 150640), (1810, 120512), (1883, 115840), (2152, 101360), (2240, 97378), (2534, 86080), (2690, 81088), (2896, 75320), (3620, 60256), (3766, 57920), (4304, 50680), (4480, 48689), (5068, 43040), (5380, 40544), (5792, 37660), (6335, 34432), (7240, 30128), (7532, 28960), (8608, 25340), (9415, 23168), (10136, 21520), (10760, 20272), (11584, 18830), (12670, 17216), (14480, 15064)]