72001995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 131518464

約数和(自身を除く): 59516469

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 129, 155, 195, 215, 277, 403, 465, 559, 645, 831, 1209, 1333, 1385, 1677, 2015, 2795, 3601, 3999, 4155, 6045, 6665, 8385, 8587, 10803, 11911, 17329, 18005, 19995, 25761, 35733, 42935, 51987, 54015, 59555, 86645, 111631, 128805, 154843, 178665, 259935, 334893, 369241, 464529, 558155, 774215, 1107723, 1674465, 1846205, 2322645, 4800133, 5538615, 14400399, 24000665, 72001995]

約数ペア:

[(1, 72001995), (3, 24000665), (5, 14400399), (13, 5538615), (15, 4800133), (31, 2322645), (39, 1846205), (43, 1674465), (65, 1107723), (93, 774215), (129, 558155), (155, 464529), (195, 369241), (215, 334893), (277, 259935), (403, 178665), (465, 154843), (559, 128805), (645, 111631), (831, 86645), (1209, 59555), (1333, 54015), (1385, 51987), (1677, 42935), (2015, 35733), (2795, 25761), (3601, 19995), (3999, 18005), (4155, 17329), (6045, 11911), (6665, 10803), (8385, 8587)]