121128280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 339655680

約数和(自身を除く): 218527400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 140, 182, 214, 260, 280, 311, 364, 428, 455, 520, 535, 622, 728, 749, 856, 910, 1070, 1244, 1391, 1498, 1555, 1820, 2140, 2177, 2488, 2782, 2996, 3110, 3640, 3745, 4043, 4280, 4354, 5564, 5992, 6220, 6955, 7490, 8086, 8708, 9737, 10885, 11128, 12440, 13910, 14980, 16172, 17416, 19474, 20215, 21770, 27820, 28301, 29960, 32344, 33277, 38948, 40430, 43540, 48685, 55640, 56602, 66554, 77896, 80860, 87080, 97370, 113204, 133108, 141505, 161720, 166385, 194740, 226408, 232939, 266216, 283010, 332770, 389480, 432601, 465878, 566020, 665540, 865202, 931756, 1132040, 1164695, 1331080, 1730404, 1863512, 2163005, 2329390, 3028207, 3460808, 4326010, 4658780, 6056414, 8652020, 9317560, 12112828, 15141035, 17304040, 24225656, 30282070, 60564140, 121128280]

約数ペア:

[(1, 121128280), (2, 60564140), (4, 30282070), (5, 24225656), (7, 17304040), (8, 15141035), (10, 12112828), (13, 9317560), (14, 8652020), (20, 6056414), (26, 4658780), (28, 4326010), (35, 3460808), (40, 3028207), (52, 2329390), (56, 2163005), (65, 1863512), (70, 1730404), (91, 1331080), (104, 1164695), (107, 1132040), (130, 931756), (140, 865202), (182, 665540), (214, 566020), (260, 465878), (280, 432601), (311, 389480), (364, 332770), (428, 283010), (455, 266216), (520, 232939), (535, 226408), (622, 194740), (728, 166385), (749, 161720), (856, 141505), (910, 133108), (1070, 113204), (1244, 97370), (1391, 87080), (1498, 80860), (1555, 77896), (1820, 66554), (2140, 56602), (2177, 55640), (2488, 48685), (2782, 43540), (2996, 40430), (3110, 38948), (3640, 33277), (3745, 32344), (4043, 29960), (4280, 28301), (4354, 27820), (5564, 21770), (5992, 20215), (6220, 19474), (6955, 17416), (7490, 16172), (8086, 14980), (8708, 13910), (9737, 12440), (10885, 11128)]