305428140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39461}}^1$

素因数の和:39519

約数の個数: 72

約数和(自身を含む): 948035088

約数和(自身を除く): 642606948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 39461, 78922, 118383, 157844, 197305, 236766, 355149, 394610, 473532, 591915, 710298, 789220, 1183830, 1420596, 1696823, 1775745, 2367660, 3393646, 3551490, 5090469, 6787292, 7102980, 8484115, 10180938, 15271407, 16968230, 20361876, 25452345, 30542814, 33936460, 50904690, 61085628, 76357035, 101809380, 152714070, 305428140]

約数ペア:

[(1, 305428140), (2, 152714070), (3, 101809380), (4, 76357035), (5, 61085628), (6, 50904690), (9, 33936460), (10, 30542814), (12, 25452345), (15, 20361876), (18, 16968230), (20, 15271407), (30, 10180938), (36, 8484115), (43, 7102980), (45, 6787292), (60, 5090469), (86, 3551490), (90, 3393646), (129, 2367660), (172, 1775745), (180, 1696823), (215, 1420596), (258, 1183830), (387, 789220), (430, 710298), (516, 591915), (645, 473532), (774, 394610), (860, 355149), (1290, 236766), (1548, 197305), (1935, 157844), (2580, 118383), (3870, 78922), (7740, 39461)]