68381328.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47521}}^1$

素因数の和:47550

約数の個数: 80

約数和(自身を含む): 494989152

約数和(自身を除く): 346723632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 47521, 95042, 142563, 190084, 237605, 285126, 380168, 475210, 570252, 617773, 712815, 760336, 950420, 1140504, 1235546, 1425630, 1853319, 1900840, 2281008, 2471092, 2851260, 3088865, 3706638, 3801680, 4942184, 5702520, 6177730, 7413276, 9266595, 9884368, 11405040, 12355460, 14826552, 18533190, 24710920, 29653104, 37066380, 49421840, 74132760, 148265520]

約数ペア:

[(1, 148265520), (2, 74132760), (3, 49421840), (4, 37066380), (5, 29653104), (6, 24710920), (8, 18533190), (10, 14826552), (12, 12355460), (13, 11405040), (15, 9884368), (16, 9266595), (20, 7413276), (24, 6177730), (26, 5702520), (30, 4942184), (39, 3801680), (40, 3706638), (48, 3088865), (52, 2851260), (60, 2471092), (65, 2281008), (78, 1900840), (80, 1853319), (104, 1425630), (120, 1235546), (130, 1140504), (156, 950420), (195, 760336), (208, 712815), (240, 617773), (260, 570252), (312, 475210), (390, 380168), (520, 285126), (624, 237605), (780, 190084), (1040, 142563), (1560, 95042), (3120, 47521)]