68887280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 204415488

約数和(自身を除く): 135528208

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 80, 88, 106, 110, 112, 140, 154, 176, 211, 212, 220, 265, 280, 308, 371, 385, 422, 424, 440, 530, 560, 583, 616, 742, 770, 844, 848, 880, 1055, 1060, 1166, 1232, 1477, 1484, 1540, 1688, 1855, 2110, 2120, 2321, 2332, 2915, 2954, 2968, 3080, 3376, 3710, 4081, 4220, 4240, 4642, 4664, 5830, 5908, 5936, 6160, 7385, 7420, 8162, 8440, 9284, 9328, 11183, 11605, 11660, 11816, 14770, 14840, 16247, 16324, 16880, 18568, 20405, 22366, 23210, 23320, 23632, 29540, 29680, 32494, 32648, 37136, 40810, 44732, 46420, 46640, 55915, 59080, 64988, 65296, 78281, 81235, 81620, 89464, 92840, 111830, 118160, 123013, 129976, 156562, 162470, 163240, 178928, 185680, 223660, 246026, 259952, 313124, 324940, 326480, 391405, 447320, 492052, 615065, 626248, 649880, 782810, 861091, 894640, 984104, 1230130, 1252496, 1299760, 1565620, 1722182, 1968208, 2460260, 3131240, 3444364, 4305455, 4920520, 6262480, 6888728, 8610910, 9841040, 13777456, 17221820, 34443640, 68887280]

約数ペア:

[(1, 68887280), (2, 34443640), (4, 17221820), (5, 13777456), (7, 9841040), (8, 8610910), (10, 6888728), (11, 6262480), (14, 4920520), (16, 4305455), (20, 3444364), (22, 3131240), (28, 2460260), (35, 1968208), (40, 1722182), (44, 1565620), (53, 1299760), (55, 1252496), (56, 1230130), (70, 984104), (77, 894640), (80, 861091), (88, 782810), (106, 649880), (110, 626248), (112, 615065), (140, 492052), (154, 447320), (176, 391405), (211, 326480), (212, 324940), (220, 313124), (265, 259952), (280, 246026), (308, 223660), (371, 185680), (385, 178928), (422, 163240), (424, 162470), (440, 156562), (530, 129976), (560, 123013), (583, 118160), (616, 111830), (742, 92840), (770, 89464), (844, 81620), (848, 81235), (880, 78281), (1055, 65296), (1060, 64988), (1166, 59080), (1232, 55915), (1477, 46640), (1484, 46420), (1540, 44732), (1688, 40810), (1855, 37136), (2110, 32648), (2120, 32494), (2321, 29680), (2332, 29540), (2915, 23632), (2954, 23320), (2968, 23210), (3080, 22366), (3376, 20405), (3710, 18568), (4081, 16880), (4220, 16324), (4240, 16247), (4642, 14840), (4664, 14770), (5830, 11816), (5908, 11660), (5936, 11605), (6160, 11183), (7385, 9328), (7420, 9284), (8162, 8440)]