256145280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1972

約数の個数: 128

約数和(自身を含む): 828403200

約数和(自身を除く): 572257920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 960, 1065, 1136, 1420, 1704, 1879, 1920, 2130, 2272, 2840, 3408, 3758, 4260, 4544, 5637, 5680, 6816, 7516, 8520, 9088, 9395, 11274, 11360, 13632, 15032, 17040, 18790, 22548, 22720, 27264, 28185, 30064, 34080, 37580, 45096, 45440, 56370, 60128, 68160, 75160, 90192, 112740, 120256, 133409, 136320, 150320, 180384, 225480, 240512, 266818, 300640, 360768, 400227, 450960, 533636, 601280, 667045, 721536, 800454, 901920, 1067272, 1202560, 1334090, 1600908, 1803840, 2001135, 2134544, 2668180, 3201816, 3607680, 4002270, 4269088, 5336360, 6403632, 8004540, 8538176, 10672720, 12807264, 16009080, 17076352, 21345440, 25614528, 32018160, 42690880, 51229056, 64036320, 85381760, 128072640, 256145280]

約数ペア:

[(1, 256145280), (2, 128072640), (3, 85381760), (4, 64036320), (5, 51229056), (6, 42690880), (8, 32018160), (10, 25614528), (12, 21345440), (15, 17076352), (16, 16009080), (20, 12807264), (24, 10672720), (30, 8538176), (32, 8004540), (40, 6403632), (48, 5336360), (60, 4269088), (64, 4002270), (71, 3607680), (80, 3201816), (96, 2668180), (120, 2134544), (128, 2001135), (142, 1803840), (160, 1600908), (192, 1334090), (213, 1202560), (240, 1067272), (284, 901920), (320, 800454), (355, 721536), (384, 667045), (426, 601280), (480, 533636), (568, 450960), (640, 400227), (710, 360768), (852, 300640), (960, 266818), (1065, 240512), (1136, 225480), (1420, 180384), (1704, 150320), (1879, 136320), (1920, 133409), (2130, 120256), (2272, 112740), (2840, 90192), (3408, 75160), (3758, 68160), (4260, 60128), (4544, 56370), (5637, 45440), (5680, 45096), (6816, 37580), (7516, 34080), (8520, 30064), (9088, 28185), (9395, 27264), (11274, 22720), (11360, 22548), (13632, 18790), (15032, 17040)]