68077880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 98846920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1471, 1780, 2314, 2942, 3560, 4628, 5785, 5884, 7355, 9256, 11570, 11768, 14710, 19123, 23140, 29420, 38246, 46280, 58840, 76492, 95615, 130919, 152984, 191230, 261838, 382460, 523676, 654595, 764920, 1047352, 1309190, 1701947, 2618380, 3403894, 5236760, 6807788, 8509735, 13615576, 17019470, 34038940, 68077880]

約数ペア:

[(1, 68077880), (2, 34038940), (4, 17019470), (5, 13615576), (8, 8509735), (10, 6807788), (13, 5236760), (20, 3403894), (26, 2618380), (40, 1701947), (52, 1309190), (65, 1047352), (89, 764920), (104, 654595), (130, 523676), (178, 382460), (260, 261838), (356, 191230), (445, 152984), (520, 130919), (712, 95615), (890, 76492), (1157, 58840), (1471, 46280), (1780, 38246), (2314, 29420), (2942, 23140), (3560, 19123), (4628, 14710), (5785, 11768), (5884, 11570), (7355, 9256)]