80636868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4073

約数の個数: 72

約数和(自身を含む): 224672448

約数和(自身を除く): 144035580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4007, 5031, 6708, 8014, 10062, 12021, 16028, 20124, 24042, 36063, 48084, 52091, 72126, 104182, 144252, 156273, 172301, 208364, 312546, 344602, 468819, 516903, 625092, 689204, 937638, 1033806, 1550709, 1875276, 2067612, 2239913, 3101418, 4479826, 6202836, 6719739, 8959652, 13439478, 20159217, 26878956, 40318434, 80636868]

約数ペア:

[(1, 80636868), (2, 40318434), (3, 26878956), (4, 20159217), (6, 13439478), (9, 8959652), (12, 6719739), (13, 6202836), (18, 4479826), (26, 3101418), (36, 2239913), (39, 2067612), (43, 1875276), (52, 1550709), (78, 1033806), (86, 937638), (117, 689204), (129, 625092), (156, 516903), (172, 468819), (234, 344602), (258, 312546), (387, 208364), (468, 172301), (516, 156273), (559, 144252), (774, 104182), (1118, 72126), (1548, 52091), (1677, 48084), (2236, 36063), (3354, 24042), (4007, 20124), (5031, 16028), (6708, 12021), (8014, 10062)]