77075780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 102549820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 53, 76, 86, 89, 95, 106, 172, 178, 190, 212, 215, 265, 356, 380, 430, 445, 530, 817, 860, 890, 1007, 1060, 1634, 1691, 1780, 2014, 2279, 3268, 3382, 3827, 4028, 4085, 4558, 4717, 5035, 6764, 7654, 8170, 8455, 9116, 9434, 10070, 11395, 15308, 16340, 16910, 18868, 19135, 20140, 22790, 23585, 33820, 38270, 43301, 45580, 47170, 72713, 76540, 86602, 89623, 94340, 145426, 173204, 179246, 202831, 216505, 290852, 358492, 363565, 405662, 433010, 448115, 727130, 811324, 866020, 896230, 1014155, 1454260, 1792460, 2028310, 3853789, 4056620, 7707578, 15415156, 19268945, 38537890, 77075780]

約数ペア:

[(1, 77075780), (2, 38537890), (4, 19268945), (5, 15415156), (10, 7707578), (19, 4056620), (20, 3853789), (38, 2028310), (43, 1792460), (53, 1454260), (76, 1014155), (86, 896230), (89, 866020), (95, 811324), (106, 727130), (172, 448115), (178, 433010), (190, 405662), (212, 363565), (215, 358492), (265, 290852), (356, 216505), (380, 202831), (430, 179246), (445, 173204), (530, 145426), (817, 94340), (860, 89623), (890, 86602), (1007, 76540), (1060, 72713), (1634, 47170), (1691, 45580), (1780, 43301), (2014, 38270), (2279, 33820), (3268, 23585), (3382, 22790), (3827, 20140), (4028, 19135), (4085, 18868), (4558, 16910), (4717, 16340), (5035, 15308), (6764, 11395), (7654, 10070), (8170, 9434), (8455, 9116)]