221631360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1408

約数の個数: 128

約数和(自身を含む): 714938400

約数和(自身を除く): 493307040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 480, 534, 640, 712, 890, 960, 1068, 1297, 1335, 1424, 1780, 1920, 2136, 2594, 2670, 2848, 3560, 3891, 4272, 5188, 5340, 5696, 6485, 7120, 7782, 8544, 10376, 10680, 11392, 12970, 14240, 15564, 17088, 19455, 20752, 21360, 25940, 28480, 31128, 34176, 38910, 41504, 42720, 51880, 56960, 62256, 77820, 83008, 85440, 103760, 115433, 124512, 155640, 166016, 170880, 207520, 230866, 249024, 311280, 346299, 415040, 461732, 498048, 577165, 622560, 692598, 830080, 923464, 1154330, 1245120, 1385196, 1731495, 1846928, 2308660, 2490240, 2770392, 3462990, 3693856, 4617320, 5540784, 6925980, 7387712, 9234640, 11081568, 13851960, 14775424, 18469280, 22163136, 27703920, 36938560, 44326272, 55407840, 73877120, 110815680, 221631360]

約数ペア:

[(1, 221631360), (2, 110815680), (3, 73877120), (4, 55407840), (5, 44326272), (6, 36938560), (8, 27703920), (10, 22163136), (12, 18469280), (15, 14775424), (16, 13851960), (20, 11081568), (24, 9234640), (30, 7387712), (32, 6925980), (40, 5540784), (48, 4617320), (60, 3693856), (64, 3462990), (80, 2770392), (89, 2490240), (96, 2308660), (120, 1846928), (128, 1731495), (160, 1385196), (178, 1245120), (192, 1154330), (240, 923464), (267, 830080), (320, 692598), (356, 622560), (384, 577165), (445, 498048), (480, 461732), (534, 415040), (640, 346299), (712, 311280), (890, 249024), (960, 230866), (1068, 207520), (1297, 170880), (1335, 166016), (1424, 155640), (1780, 124512), (1920, 115433), (2136, 103760), (2594, 85440), (2670, 83008), (2848, 77820), (3560, 62256), (3891, 56960), (4272, 51880), (5188, 42720), (5340, 41504), (5696, 38910), (6485, 34176), (7120, 31128), (7782, 28480), (8544, 25940), (10376, 21360), (10680, 20752), (11392, 19455), (12970, 17088), (14240, 15564)]