128715300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20458

約数の個数: 108

約数和(自身を含む): 461109376

約数和(自身を除く): 332394076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 20431, 40862, 61293, 81724, 102155, 122586, 143017, 183879, 204310, 245172, 286034, 306465, 367758, 408620, 429051, 510775, 572068, 612930, 715085, 735516, 858102, 919395, 1021550, 1225860, 1287153, 1430170, 1532325, 1716204, 1838790, 2043100, 2145255, 2574306, 2860340, 3064650, 3575425, 3677580, 4290510, 4596975, 5148612, 6129300, 6435765, 7150850, 8581020, 9193950, 10726275, 12871530, 14301700, 18387900, 21452550, 25743060, 32178825, 42905100, 64357650, 128715300]

約数ペア:

[(1, 128715300), (2, 64357650), (3, 42905100), (4, 32178825), (5, 25743060), (6, 21452550), (7, 18387900), (9, 14301700), (10, 12871530), (12, 10726275), (14, 9193950), (15, 8581020), (18, 7150850), (20, 6435765), (21, 6129300), (25, 5148612), (28, 4596975), (30, 4290510), (35, 3677580), (36, 3575425), (42, 3064650), (45, 2860340), (50, 2574306), (60, 2145255), (63, 2043100), (70, 1838790), (75, 1716204), (84, 1532325), (90, 1430170), (100, 1287153), (105, 1225860), (126, 1021550), (140, 919395), (150, 858102), (175, 735516), (180, 715085), (210, 612930), (225, 572068), (252, 510775), (300, 429051), (315, 408620), (350, 367758), (420, 306465), (450, 286034), (525, 245172), (630, 204310), (700, 183879), (900, 143017), (1050, 122586), (1260, 102155), (1575, 81724), (2100, 61293), (3150, 40862), (6300, 20431)]