87849580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 236113920

約数和(自身を除く): 148264340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 79, 91, 94, 130, 140, 158, 169, 182, 188, 235, 260, 316, 329, 338, 364, 395, 455, 470, 553, 611, 658, 676, 790, 845, 910, 940, 1027, 1106, 1183, 1222, 1316, 1580, 1645, 1690, 1820, 2054, 2212, 2366, 2444, 2765, 3055, 3290, 3380, 3713, 4108, 4277, 4732, 5135, 5530, 5915, 6110, 6580, 7189, 7426, 7943, 8554, 10270, 11060, 11830, 12220, 13351, 14378, 14852, 15886, 17108, 18565, 20540, 21385, 23660, 25991, 26702, 28756, 31772, 35945, 37130, 39715, 42770, 48269, 51982, 53404, 55601, 66755, 71890, 74260, 79430, 85540, 93457, 96538, 103964, 111202, 129955, 133510, 143780, 158860, 186914, 193076, 222404, 241345, 259910, 267020, 278005, 337883, 373828, 467285, 482690, 519820, 556010, 627497, 675766, 934570, 965380, 1112020, 1254994, 1351532, 1689415, 1869140, 2509988, 3137485, 3378830, 4392479, 6274970, 6757660, 8784958, 12549940, 17569916, 21962395, 43924790, 87849580]

約数ペア:

[(1, 87849580), (2, 43924790), (4, 21962395), (5, 17569916), (7, 12549940), (10, 8784958), (13, 6757660), (14, 6274970), (20, 4392479), (26, 3378830), (28, 3137485), (35, 2509988), (47, 1869140), (52, 1689415), (65, 1351532), (70, 1254994), (79, 1112020), (91, 965380), (94, 934570), (130, 675766), (140, 627497), (158, 556010), (169, 519820), (182, 482690), (188, 467285), (235, 373828), (260, 337883), (316, 278005), (329, 267020), (338, 259910), (364, 241345), (395, 222404), (455, 193076), (470, 186914), (553, 158860), (611, 143780), (658, 133510), (676, 129955), (790, 111202), (845, 103964), (910, 96538), (940, 93457), (1027, 85540), (1106, 79430), (1183, 74260), (1222, 71890), (1316, 66755), (1580, 55601), (1645, 53404), (1690, 51982), (1820, 48269), (2054, 42770), (2212, 39715), (2366, 37130), (2444, 35945), (2765, 31772), (3055, 28756), (3290, 26702), (3380, 25991), (3713, 23660), (4108, 21385), (4277, 20540), (4732, 18565), (5135, 17108), (5530, 15886), (5915, 14852), (6110, 14378), (6580, 13351), (7189, 12220), (7426, 11830), (7943, 11060), (8554, 10270)]