1209599440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{93913}}^1$

素因数の和:93956

約数の個数: 80

約数和(自身を含む): 3353856768

約数和(自身を除く): 2144257328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 93913, 187826, 375652, 469565, 657391, 751304, 939130, 1314782, 1502608, 1878260, 2159999, 2629564, 3286955, 3756520, 4319998, 5259128, 6573910, 7513040, 8639996, 10518256, 10799995, 13147820, 15119993, 17279992, 21599990, 26295640, 30239986, 34559984, 43199980, 52591280, 60479972, 75599965, 86399960, 120959944, 151199930, 172799920, 241919888, 302399860, 604799720, 1209599440]

約数ペア:

[(1, 1209599440), (2, 604799720), (4, 302399860), (5, 241919888), (7, 172799920), (8, 151199930), (10, 120959944), (14, 86399960), (16, 75599965), (20, 60479972), (23, 52591280), (28, 43199980), (35, 34559984), (40, 30239986), (46, 26295640), (56, 21599990), (70, 17279992), (80, 15119993), (92, 13147820), (112, 10799995), (115, 10518256), (140, 8639996), (161, 7513040), (184, 6573910), (230, 5259128), (280, 4319998), (322, 3756520), (368, 3286955), (460, 2629564), (560, 2159999), (644, 1878260), (805, 1502608), (920, 1314782), (1288, 939130), (1610, 751304), (1840, 657391), (2576, 469565), (3220, 375652), (6440, 187826), (12880, 93913)]