128642040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 431308800

約数和(自身を除く): 302666760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 311, 360, 383, 540, 622, 766, 933, 1080, 1149, 1244, 1532, 1555, 1866, 1915, 2298, 2488, 2799, 3064, 3110, 3447, 3732, 3830, 4596, 4665, 5598, 5745, 6220, 6894, 7464, 7660, 8397, 9192, 9330, 10341, 11196, 11490, 12440, 13788, 13995, 15320, 16794, 17235, 18660, 20682, 22392, 22980, 27576, 27990, 33588, 34470, 37320, 41364, 41985, 45960, 51705, 55980, 67176, 68940, 82728, 83970, 103410, 111960, 119113, 137880, 167940, 206820, 238226, 335880, 357339, 413640, 476452, 595565, 714678, 952904, 1072017, 1191130, 1429356, 1786695, 2144034, 2382260, 2858712, 3216051, 3573390, 4288068, 4764520, 5360085, 6432102, 7146780, 8576136, 10720170, 12864204, 14293560, 16080255, 21440340, 25728408, 32160510, 42880680, 64321020, 128642040]

約数ペア:

[(1, 128642040), (2, 64321020), (3, 42880680), (4, 32160510), (5, 25728408), (6, 21440340), (8, 16080255), (9, 14293560), (10, 12864204), (12, 10720170), (15, 8576136), (18, 7146780), (20, 6432102), (24, 5360085), (27, 4764520), (30, 4288068), (36, 3573390), (40, 3216051), (45, 2858712), (54, 2382260), (60, 2144034), (72, 1786695), (90, 1429356), (108, 1191130), (120, 1072017), (135, 952904), (180, 714678), (216, 595565), (270, 476452), (311, 413640), (360, 357339), (383, 335880), (540, 238226), (622, 206820), (766, 167940), (933, 137880), (1080, 119113), (1149, 111960), (1244, 103410), (1532, 83970), (1555, 82728), (1866, 68940), (1915, 67176), (2298, 55980), (2488, 51705), (2799, 45960), (3064, 41985), (3110, 41364), (3447, 37320), (3732, 34470), (3830, 33588), (4596, 27990), (4665, 27576), (5598, 22980), (5745, 22392), (6220, 20682), (6894, 18660), (7464, 17235), (7660, 16794), (8397, 15320), (9192, 13995), (9330, 13788), (10341, 12440), (11196, 11490)]