72109960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 176586480

約数和(自身を除く): 104476520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 1373, 2020, 2626, 2746, 4040, 5252, 5492, 6565, 6865, 10504, 10984, 13130, 13730, 17849, 26260, 27460, 35698, 52520, 54920, 71396, 89245, 138673, 142792, 178490, 277346, 356980, 554692, 693365, 713960, 1109384, 1386730, 1802749, 2773460, 3605498, 5546920, 7210996, 9013745, 14421992, 18027490, 36054980, 72109960]

約数ペア:

[(1, 72109960), (2, 36054980), (4, 18027490), (5, 14421992), (8, 9013745), (10, 7210996), (13, 5546920), (20, 3605498), (26, 2773460), (40, 1802749), (52, 1386730), (65, 1109384), (101, 713960), (104, 693365), (130, 554692), (202, 356980), (260, 277346), (404, 178490), (505, 142792), (520, 138673), (808, 89245), (1010, 71396), (1313, 54920), (1373, 52520), (2020, 35698), (2626, 27460), (2746, 26260), (4040, 17849), (5252, 13730), (5492, 13130), (6565, 10984), (6865, 10504)]