99977940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7823}}^1$

素因数の和:7909

約数の個数: 72

約数和(自身を含む): 307577088

約数和(自身を除く): 207599148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 7823, 12780, 15646, 23469, 31292, 39115, 46938, 70407, 78230, 93876, 117345, 140814, 156460, 234690, 281628, 352035, 469380, 555433, 704070, 1110866, 1408140, 1666299, 2221732, 2777165, 3332598, 4998897, 5554330, 6665196, 8331495, 9997794, 11108660, 16662990, 19995588, 24994485, 33325980, 49988970, 99977940]

約数ペア:

[(1, 99977940), (2, 49988970), (3, 33325980), (4, 24994485), (5, 19995588), (6, 16662990), (9, 11108660), (10, 9997794), (12, 8331495), (15, 6665196), (18, 5554330), (20, 4998897), (30, 3332598), (36, 2777165), (45, 2221732), (60, 1666299), (71, 1408140), (90, 1110866), (142, 704070), (180, 555433), (213, 469380), (284, 352035), (355, 281628), (426, 234690), (639, 156460), (710, 140814), (852, 117345), (1065, 93876), (1278, 78230), (1420, 70407), (2130, 46938), (2556, 39115), (3195, 31292), (4260, 23469), (6390, 15646), (7823, 12780)]