68103280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 80

約数和(自身を含む): 186845184

約数和(自身を除く): 118741904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3923, 4340, 7846, 8680, 15692, 17360, 19615, 27461, 31384, 39230, 54922, 62768, 78460, 109844, 121613, 137305, 156920, 219688, 243226, 274610, 313840, 439376, 486452, 549220, 608065, 851291, 972904, 1098440, 1216130, 1702582, 1945808, 2196880, 2432260, 3405164, 4256455, 4864520, 6810328, 8512910, 9729040, 13620656, 17025820, 34051640, 68103280]

約数ペア:

[(1, 68103280), (2, 34051640), (4, 17025820), (5, 13620656), (7, 9729040), (8, 8512910), (10, 6810328), (14, 4864520), (16, 4256455), (20, 3405164), (28, 2432260), (31, 2196880), (35, 1945808), (40, 1702582), (56, 1216130), (62, 1098440), (70, 972904), (80, 851291), (112, 608065), (124, 549220), (140, 486452), (155, 439376), (217, 313840), (248, 274610), (280, 243226), (310, 219688), (434, 156920), (496, 137305), (560, 121613), (620, 109844), (868, 78460), (1085, 62768), (1240, 54922), (1736, 39230), (2170, 31384), (2480, 27461), (3472, 19615), (3923, 17360), (4340, 15692), (7846, 8680)]