259264880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 750833640

約数和(自身を除く): 491568760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 59, 70, 76, 80, 95, 98, 112, 118, 133, 140, 152, 190, 196, 236, 245, 266, 280, 295, 304, 380, 392, 413, 472, 490, 532, 560, 590, 665, 760, 784, 826, 931, 944, 980, 1064, 1121, 1180, 1330, 1520, 1652, 1862, 1960, 2065, 2128, 2242, 2360, 2660, 2891, 3304, 3481, 3724, 3920, 4130, 4484, 4655, 4720, 5320, 5605, 5782, 6608, 6962, 7448, 7847, 8260, 8968, 9310, 10640, 11210, 11564, 13924, 14455, 14896, 15694, 16520, 17405, 17936, 18620, 22420, 23128, 24367, 27848, 28910, 31388, 33040, 34810, 37240, 39235, 44840, 46256, 48734, 54929, 55696, 57820, 62776, 66139, 69620, 74480, 78470, 89680, 97468, 109858, 115640, 121835, 125552, 132278, 139240, 156940, 170569, 194936, 219716, 231280, 243670, 264556, 274645, 278480, 313880, 330695, 341138, 389872, 439432, 462973, 487340, 529112, 549290, 627760, 661390, 682276, 852845, 878864, 925946, 974680, 1058224, 1098580, 1322780, 1364552, 1705690, 1851892, 1949360, 2197160, 2314865, 2645560, 2729104, 3240811, 3411380, 3703784, 4394320, 4629730, 5291120, 6481622, 6822760, 7407568, 9259460, 12963244, 13645520, 16204055, 18518920, 25926488, 32408110, 37037840, 51852976, 64816220, 129632440, 259264880]

約数ペア:

[(1, 259264880), (2, 129632440), (4, 64816220), (5, 51852976), (7, 37037840), (8, 32408110), (10, 25926488), (14, 18518920), (16, 16204055), (19, 13645520), (20, 12963244), (28, 9259460), (35, 7407568), (38, 6822760), (40, 6481622), (49, 5291120), (56, 4629730), (59, 4394320), (70, 3703784), (76, 3411380), (80, 3240811), (95, 2729104), (98, 2645560), (112, 2314865), (118, 2197160), (133, 1949360), (140, 1851892), (152, 1705690), (190, 1364552), (196, 1322780), (236, 1098580), (245, 1058224), (266, 974680), (280, 925946), (295, 878864), (304, 852845), (380, 682276), (392, 661390), (413, 627760), (472, 549290), (490, 529112), (532, 487340), (560, 462973), (590, 439432), (665, 389872), (760, 341138), (784, 330695), (826, 313880), (931, 278480), (944, 274645), (980, 264556), (1064, 243670), (1121, 231280), (1180, 219716), (1330, 194936), (1520, 170569), (1652, 156940), (1862, 139240), (1960, 132278), (2065, 125552), (2128, 121835), (2242, 115640), (2360, 109858), (2660, 97468), (2891, 89680), (3304, 78470), (3481, 74480), (3724, 69620), (3920, 66139), (4130, 62776), (4484, 57820), (4655, 55696), (4720, 54929), (5320, 48734), (5605, 46256), (5782, 44840), (6608, 39235), (6962, 37240), (7448, 34810), (7847, 33040), (8260, 31388), (8968, 28910), (9310, 27848), (10640, 24367), (11210, 23128), (11564, 22420), (13924, 18620), (14455, 17936), (14896, 17405), (15694, 16520)]