80285760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 168

約数和(自身を含む): 281290776

約数和(自身を除く): 201005016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 360, 366, 457, 480, 488, 549, 576, 610, 720, 732, 914, 915, 960, 976, 1098, 1220, 1371, 1440, 1464, 1828, 1830, 1952, 2196, 2285, 2440, 2742, 2745, 2880, 2928, 3656, 3660, 3904, 4113, 4392, 4570, 4880, 5484, 5490, 5856, 6855, 7312, 7320, 8226, 8784, 9140, 9760, 10968, 10980, 11712, 13710, 14624, 14640, 16452, 17568, 18280, 19520, 20565, 21936, 21960, 27420, 27877, 29248, 29280, 32904, 35136, 36560, 41130, 43872, 43920, 54840, 55754, 58560, 65808, 73120, 82260, 83631, 87744, 87840, 109680, 111508, 131616, 139385, 146240, 164520, 167262, 175680, 219360, 223016, 250893, 263232, 278770, 329040, 334524, 418155, 438720, 446032, 501786, 557540, 658080, 669048, 836310, 892064, 1003572, 1115080, 1254465, 1316160, 1338096, 1672620, 1784128, 2007144, 2230160, 2508930, 2676192, 3345240, 4014288, 4460320, 5017860, 5352384, 6690480, 8028576, 8920640, 10035720, 13380960, 16057152, 20071440, 26761920, 40142880, 80285760]

約数ペア:

[(1, 80285760), (2, 40142880), (3, 26761920), (4, 20071440), (5, 16057152), (6, 13380960), (8, 10035720), (9, 8920640), (10, 8028576), (12, 6690480), (15, 5352384), (16, 5017860), (18, 4460320), (20, 4014288), (24, 3345240), (30, 2676192), (32, 2508930), (36, 2230160), (40, 2007144), (45, 1784128), (48, 1672620), (60, 1338096), (61, 1316160), (64, 1254465), (72, 1115080), (80, 1003572), (90, 892064), (96, 836310), (120, 669048), (122, 658080), (144, 557540), (160, 501786), (180, 446032), (183, 438720), (192, 418155), (240, 334524), (244, 329040), (288, 278770), (305, 263232), (320, 250893), (360, 223016), (366, 219360), (457, 175680), (480, 167262), (488, 164520), (549, 146240), (576, 139385), (610, 131616), (720, 111508), (732, 109680), (914, 87840), (915, 87744), (960, 83631), (976, 82260), (1098, 73120), (1220, 65808), (1371, 58560), (1440, 55754), (1464, 54840), (1828, 43920), (1830, 43872), (1952, 41130), (2196, 36560), (2285, 35136), (2440, 32904), (2742, 29280), (2745, 29248), (2880, 27877), (2928, 27420), (3656, 21960), (3660, 21936), (3904, 20565), (4113, 19520), (4392, 18280), (4570, 17568), (4880, 16452), (5484, 14640), (5490, 14624), (5856, 13710), (6855, 11712), (7312, 10980), (7320, 10968), (8226, 9760), (8784, 9140)]