18952080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 69638400

約数和(自身を除く): 50686320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 389, 406, 420, 435, 464, 560, 580, 609, 696, 778, 812, 840, 870, 1015, 1160, 1167, 1218, 1392, 1556, 1624, 1680, 1740, 1945, 2030, 2320, 2334, 2436, 2723, 3045, 3112, 3248, 3480, 3890, 4060, 4668, 4872, 5446, 5835, 6090, 6224, 6960, 7780, 8120, 8169, 9336, 9744, 10892, 11281, 11670, 12180, 13615, 15560, 16240, 16338, 18672, 21784, 22562, 23340, 24360, 27230, 31120, 32676, 33843, 40845, 43568, 45124, 46680, 48720, 54460, 56405, 65352, 67686, 78967, 81690, 90248, 93360, 108920, 112810, 130704, 135372, 157934, 163380, 169215, 180496, 217840, 225620, 236901, 270744, 315868, 326760, 338430, 394835, 451240, 473802, 541488, 631736, 653520, 676860, 789670, 902480, 947604, 1184505, 1263472, 1353720, 1579340, 1895208, 2369010, 2707440, 3158680, 3790416, 4738020, 6317360, 9476040, 18952080]

約数ペア:

[(1, 18952080), (2, 9476040), (3, 6317360), (4, 4738020), (5, 3790416), (6, 3158680), (7, 2707440), (8, 2369010), (10, 1895208), (12, 1579340), (14, 1353720), (15, 1263472), (16, 1184505), (20, 947604), (21, 902480), (24, 789670), (28, 676860), (29, 653520), (30, 631736), (35, 541488), (40, 473802), (42, 451240), (48, 394835), (56, 338430), (58, 326760), (60, 315868), (70, 270744), (80, 236901), (84, 225620), (87, 217840), (105, 180496), (112, 169215), (116, 163380), (120, 157934), (140, 135372), (145, 130704), (168, 112810), (174, 108920), (203, 93360), (210, 90248), (232, 81690), (240, 78967), (280, 67686), (290, 65352), (336, 56405), (348, 54460), (389, 48720), (406, 46680), (420, 45124), (435, 43568), (464, 40845), (560, 33843), (580, 32676), (609, 31120), (696, 27230), (778, 24360), (812, 23340), (840, 22562), (870, 21784), (1015, 18672), (1160, 16338), (1167, 16240), (1218, 15560), (1392, 13615), (1556, 12180), (1624, 11670), (1680, 11281), (1740, 10892), (1945, 9744), (2030, 9336), (2320, 8169), (2334, 8120), (2436, 7780), (2723, 6960), (3045, 6224), (3112, 6090), (3248, 5835), (3480, 5446), (3890, 4872), (4060, 4668)]