67730780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2927}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 154949760

約数和(自身を除く): 87218980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 2927, 4628, 5785, 5854, 11570, 11708, 14635, 23140, 29270, 38051, 58540, 76102, 152204, 190255, 260503, 380510, 521006, 761020, 1042012, 1302515, 2605030, 3386539, 5210060, 6773078, 13546156, 16932695, 33865390, 67730780]

約数ペア:

[(1, 67730780), (2, 33865390), (4, 16932695), (5, 13546156), (10, 6773078), (13, 5210060), (20, 3386539), (26, 2605030), (52, 1302515), (65, 1042012), (89, 761020), (130, 521006), (178, 380510), (260, 260503), (356, 190255), (445, 152204), (890, 76102), (1157, 58540), (1780, 38051), (2314, 29270), (2927, 23140), (4628, 14635), (5785, 11708), (5854, 11570)]