318782240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 144

約数和(自身を含む): 889677432

約数和(自身を除く): 570895192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 365, 392, 490, 511, 557, 560, 584, 730, 784, 980, 1022, 1114, 1120, 1168, 1460, 1568, 1960, 2044, 2228, 2336, 2555, 2785, 2920, 3577, 3899, 3920, 4088, 4456, 5110, 5570, 5840, 7154, 7798, 7840, 8176, 8912, 10220, 11140, 11680, 14308, 15596, 16352, 17824, 17885, 19495, 20440, 22280, 27293, 28616, 31192, 35770, 38990, 40661, 40880, 44560, 54586, 57232, 62384, 71540, 77980, 81322, 81760, 89120, 109172, 114464, 124768, 136465, 143080, 155960, 162644, 203305, 218344, 272930, 284627, 286160, 311920, 325288, 406610, 436688, 545860, 569254, 572320, 623840, 650576, 813220, 873376, 1091720, 1138508, 1301152, 1423135, 1626440, 1992389, 2183440, 2277016, 2846270, 3252880, 3984778, 4366880, 4554032, 5692540, 6505760, 7969556, 9108064, 9961945, 11385080, 15939112, 19923890, 22770160, 31878224, 39847780, 45540320, 63756448, 79695560, 159391120, 318782240]

約数ペア:

[(1, 318782240), (2, 159391120), (4, 79695560), (5, 63756448), (7, 45540320), (8, 39847780), (10, 31878224), (14, 22770160), (16, 19923890), (20, 15939112), (28, 11385080), (32, 9961945), (35, 9108064), (40, 7969556), (49, 6505760), (56, 5692540), (70, 4554032), (73, 4366880), (80, 3984778), (98, 3252880), (112, 2846270), (140, 2277016), (146, 2183440), (160, 1992389), (196, 1626440), (224, 1423135), (245, 1301152), (280, 1138508), (292, 1091720), (365, 873376), (392, 813220), (490, 650576), (511, 623840), (557, 572320), (560, 569254), (584, 545860), (730, 436688), (784, 406610), (980, 325288), (1022, 311920), (1114, 286160), (1120, 284627), (1168, 272930), (1460, 218344), (1568, 203305), (1960, 162644), (2044, 155960), (2228, 143080), (2336, 136465), (2555, 124768), (2785, 114464), (2920, 109172), (3577, 89120), (3899, 81760), (3920, 81322), (4088, 77980), (4456, 71540), (5110, 62384), (5570, 57232), (5840, 54586), (7154, 44560), (7798, 40880), (7840, 40661), (8176, 38990), (8912, 35770), (10220, 31192), (11140, 28616), (11680, 27293), (14308, 22280), (15596, 20440), (16352, 19495), (17824, 17885)]