68846840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 90366760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 233, 332, 356, 415, 445, 466, 664, 712, 830, 890, 932, 1165, 1660, 1780, 1864, 2330, 3320, 3560, 4660, 7387, 9320, 14774, 19339, 20737, 29548, 36935, 38678, 41474, 59096, 73870, 77356, 82948, 96695, 103685, 147740, 154712, 165896, 193390, 207370, 295480, 386780, 414740, 773560, 829480, 1721171, 3442342, 6884684, 8605855, 13769368, 17211710, 34423420, 68846840]

約数ペア:

[(1, 68846840), (2, 34423420), (4, 17211710), (5, 13769368), (8, 8605855), (10, 6884684), (20, 3442342), (40, 1721171), (83, 829480), (89, 773560), (166, 414740), (178, 386780), (233, 295480), (332, 207370), (356, 193390), (415, 165896), (445, 154712), (466, 147740), (664, 103685), (712, 96695), (830, 82948), (890, 77356), (932, 73870), (1165, 59096), (1660, 41474), (1780, 38678), (1864, 36935), (2330, 29548), (3320, 20737), (3560, 19339), (4660, 14774), (7387, 9320)]