76881320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 180403200

約数和(自身を除く): 103521880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 347, 382, 580, 694, 764, 955, 1160, 1388, 1528, 1735, 1910, 2776, 3470, 3820, 5539, 6940, 7640, 10063, 11078, 13880, 20126, 22156, 27695, 40252, 44312, 50315, 55390, 66277, 80504, 100630, 110780, 132554, 201260, 221560, 265108, 331385, 402520, 530216, 662770, 1325540, 1922033, 2651080, 3844066, 7688132, 9610165, 15376264, 19220330, 38440660, 76881320]

約数ペア:

[(1, 76881320), (2, 38440660), (4, 19220330), (5, 15376264), (8, 9610165), (10, 7688132), (20, 3844066), (29, 2651080), (40, 1922033), (58, 1325540), (116, 662770), (145, 530216), (191, 402520), (232, 331385), (290, 265108), (347, 221560), (382, 201260), (580, 132554), (694, 110780), (764, 100630), (955, 80504), (1160, 66277), (1388, 55390), (1528, 50315), (1735, 44312), (1910, 40252), (2776, 27695), (3470, 22156), (3820, 20126), (5539, 13880), (6940, 11078), (7640, 10063)]