64343340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1997}}^1$

素因数の和:2191

約数の個数: 72

約数和(自身を含む): 196363440

約数和(自身を除く): 132020100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 1997, 2148, 2685, 3222, 3580, 3994, 5370, 5991, 6444, 7988, 8055, 9985, 10740, 11982, 16110, 17973, 19970, 23964, 29955, 32220, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 357463, 359460, 714926, 1072389, 1429852, 1787315, 2144778, 3217167, 3574630, 4289556, 5361945, 6434334, 7149260, 10723890, 12868668, 16085835, 21447780, 32171670, 64343340]

約数ペア:

[(1, 64343340), (2, 32171670), (3, 21447780), (4, 16085835), (5, 12868668), (6, 10723890), (9, 7149260), (10, 6434334), (12, 5361945), (15, 4289556), (18, 3574630), (20, 3217167), (30, 2144778), (36, 1787315), (45, 1429852), (60, 1072389), (90, 714926), (179, 359460), (180, 357463), (358, 179730), (537, 119820), (716, 89865), (895, 71892), (1074, 59910), (1611, 39940), (1790, 35946), (1997, 32220), (2148, 29955), (2685, 23964), (3222, 19970), (3580, 17973), (3994, 16110), (5370, 11982), (5991, 10740), (6444, 9985), (7988, 8055)]