21701760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 48800640

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, 127, 128, 160, 178, 192, 240, 254, 267, 320, 356, 381, 384, 445, 480, 508, 534, 635, 640, 712, 762, 890, 960, 1016, 1068, 1270, 1335, 1424, 1524, 1780, 1905, 1920, 2032, 2136, 2540, 2670, 2848, 3048, 3560, 3810, 4064, 4272, 5080, 5340, 5696, 6096, 7120, 7620, 8128, 8544, 10160, 10680, 11303, 11392, 12192, 14240, 15240, 16256, 17088, 20320, 21360, 22606, 24384, 28480, 30480, 33909, 34176, 40640, 42720, 45212, 48768, 56515, 56960, 60960, 67818, 81280, 85440, 90424, 113030, 121920, 135636, 169545, 170880, 180848, 226060, 243840, 271272, 339090, 361696, 452120, 542544, 678180, 723392, 904240, 1085088, 1356360, 1446784, 1808480, 2170176, 2712720, 3616960, 4340352, 5425440, 7233920, 10850880, 21701760]

約数ペア:

[(1, 21701760), (2, 10850880), (3, 7233920), (4, 5425440), (5, 4340352), (6, 3616960), (8, 2712720), (10, 2170176), (12, 1808480), (15, 1446784), (16, 1356360), (20, 1085088), (24, 904240), (30, 723392), (32, 678180), (40, 542544), (48, 452120), (60, 361696), (64, 339090), (80, 271272), (89, 243840), (96, 226060), (120, 180848), (127, 170880), (128, 169545), (160, 135636), (178, 121920), (192, 113030), (240, 90424), (254, 85440), (267, 81280), (320, 67818), (356, 60960), (381, 56960), (384, 56515), (445, 48768), (480, 45212), (508, 42720), (534, 40640), (635, 34176), (640, 33909), (712, 30480), (762, 28480), (890, 24384), (960, 22606), (1016, 21360), (1068, 20320), (1270, 17088), (1335, 16256), (1424, 15240), (1524, 14240), (1780, 12192), (1905, 11392), (1920, 11303), (2032, 10680), (2136, 10160), (2540, 8544), (2670, 8128), (2848, 7620), (3048, 7120), (3560, 6096), (3810, 5696), (4064, 5340), (4272, 5080)]