129258240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 423402336

約数和(自身を除く): 294144096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 821, 960, 984, 1230, 1280, 1312, 1640, 1642, 1920, 1968, 2460, 2463, 2624, 3280, 3284, 3840, 3936, 4105, 4920, 4926, 5248, 6560, 6568, 7872, 8210, 9840, 9852, 10496, 12315, 13120, 13136, 15744, 16420, 19680, 19704, 24630, 26240, 26272, 31488, 32840, 33661, 39360, 39408, 49260, 52480, 52544, 65680, 67322, 78720, 78816, 98520, 100983, 105088, 131360, 134644, 157440, 157632, 168305, 197040, 201966, 210176, 262720, 269288, 315264, 336610, 394080, 403932, 504915, 525440, 538576, 630528, 673220, 788160, 807864, 1009830, 1050880, 1077152, 1346440, 1576320, 1615728, 2019660, 2154304, 2692880, 3152640, 3231456, 4039320, 4308608, 5385760, 6462912, 8078640, 8617216, 10771520, 12925824, 16157280, 21543040, 25851648, 32314560, 43086080, 64629120, 129258240]

約数ペア:

[(1, 129258240), (2, 64629120), (3, 43086080), (4, 32314560), (5, 25851648), (6, 21543040), (8, 16157280), (10, 12925824), (12, 10771520), (15, 8617216), (16, 8078640), (20, 6462912), (24, 5385760), (30, 4308608), (32, 4039320), (40, 3231456), (41, 3152640), (48, 2692880), (60, 2154304), (64, 2019660), (80, 1615728), (82, 1576320), (96, 1346440), (120, 1077152), (123, 1050880), (128, 1009830), (160, 807864), (164, 788160), (192, 673220), (205, 630528), (240, 538576), (246, 525440), (256, 504915), (320, 403932), (328, 394080), (384, 336610), (410, 315264), (480, 269288), (492, 262720), (615, 210176), (640, 201966), (656, 197040), (768, 168305), (820, 157632), (821, 157440), (960, 134644), (984, 131360), (1230, 105088), (1280, 100983), (1312, 98520), (1640, 78816), (1642, 78720), (1920, 67322), (1968, 65680), (2460, 52544), (2463, 52480), (2624, 49260), (3280, 39408), (3284, 39360), (3840, 33661), (3936, 32840), (4105, 31488), (4920, 26272), (4926, 26240), (5248, 24630), (6560, 19704), (6568, 19680), (7872, 16420), (8210, 15744), (9840, 13136), (9852, 13120), (10496, 12315)]