705640640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 1724436480

約数和(自身を除く): 1018795840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 103, 158, 160, 206, 271, 316, 320, 395, 412, 515, 542, 632, 790, 824, 1030, 1084, 1264, 1355, 1580, 1648, 2060, 2168, 2528, 2710, 3160, 3296, 4120, 4336, 5056, 5420, 6320, 6592, 8137, 8240, 8672, 10840, 12640, 16274, 16480, 17344, 21409, 21680, 25280, 27913, 32548, 32960, 40685, 42818, 43360, 55826, 65096, 81370, 85636, 86720, 107045, 111652, 130192, 139565, 162740, 171272, 214090, 223304, 260384, 279130, 325480, 342544, 428180, 446608, 520768, 558260, 650960, 685088, 856360, 893216, 1116520, 1301920, 1370176, 1712720, 1786432, 2205127, 2233040, 2603840, 3425440, 4410254, 4466080, 6850880, 8820508, 8932160, 11025635, 17641016, 22051270, 35282032, 44102540, 70564064, 88205080, 141128128, 176410160, 352820320, 705640640]

約数ペア:

[(1, 705640640), (2, 352820320), (4, 176410160), (5, 141128128), (8, 88205080), (10, 70564064), (16, 44102540), (20, 35282032), (32, 22051270), (40, 17641016), (64, 11025635), (79, 8932160), (80, 8820508), (103, 6850880), (158, 4466080), (160, 4410254), (206, 3425440), (271, 2603840), (316, 2233040), (320, 2205127), (395, 1786432), (412, 1712720), (515, 1370176), (542, 1301920), (632, 1116520), (790, 893216), (824, 856360), (1030, 685088), (1084, 650960), (1264, 558260), (1355, 520768), (1580, 446608), (1648, 428180), (2060, 342544), (2168, 325480), (2528, 279130), (2710, 260384), (3160, 223304), (3296, 214090), (4120, 171272), (4336, 162740), (5056, 139565), (5420, 130192), (6320, 111652), (6592, 107045), (8137, 86720), (8240, 85636), (8672, 81370), (10840, 65096), (12640, 55826), (16274, 43360), (16480, 42818), (17344, 40685), (21409, 32960), (21680, 32548), (25280, 27913)]