140642820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12809}}^1$

素因数の和:12885

約数の個数: 72

約数和(自身を含む): 433644120

約数和(自身を除く): 293001300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 12809, 25618, 38427, 51236, 64045, 76854, 115281, 128090, 153708, 192135, 230562, 256180, 384270, 461124, 576405, 768540, 781349, 1152810, 1562698, 2305620, 2344047, 3125396, 3906745, 4688094, 7032141, 7813490, 9376188, 11720235, 14064282, 15626980, 23440470, 28128564, 35160705, 46880940, 70321410, 140642820]

約数ペア:

[(1, 140642820), (2, 70321410), (3, 46880940), (4, 35160705), (5, 28128564), (6, 23440470), (9, 15626980), (10, 14064282), (12, 11720235), (15, 9376188), (18, 7813490), (20, 7032141), (30, 4688094), (36, 3906745), (45, 3125396), (60, 2344047), (61, 2305620), (90, 1562698), (122, 1152810), (180, 781349), (183, 768540), (244, 576405), (305, 461124), (366, 384270), (549, 256180), (610, 230562), (732, 192135), (915, 153708), (1098, 128090), (1220, 115281), (1830, 76854), (2196, 64045), (2745, 51236), (3660, 38427), (5490, 25618), (10980, 12809)]