28664640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 168

約数和(自身を含む): 101635560

約数和(自身を除く): 72970920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 192, 222, 240, 269, 288, 296, 320, 333, 360, 370, 444, 480, 538, 555, 576, 592, 666, 720, 740, 807, 888, 960, 1076, 1110, 1184, 1332, 1345, 1440, 1480, 1614, 1665, 1776, 2152, 2220, 2368, 2421, 2664, 2690, 2880, 2960, 3228, 3330, 3552, 4035, 4304, 4440, 4842, 5328, 5380, 5920, 6456, 6660, 7104, 8070, 8608, 8880, 9684, 9953, 10656, 10760, 11840, 12105, 12912, 13320, 16140, 17216, 17760, 19368, 19906, 21312, 21520, 24210, 25824, 26640, 29859, 32280, 35520, 38736, 39812, 43040, 48420, 49765, 51648, 53280, 59718, 64560, 77472, 79624, 86080, 89577, 96840, 99530, 106560, 119436, 129120, 149295, 154944, 159248, 179154, 193680, 199060, 238872, 258240, 298590, 318496, 358308, 387360, 398120, 447885, 477744, 597180, 636992, 716616, 774720, 796240, 895770, 955488, 1194360, 1433232, 1592480, 1791540, 1910976, 2388720, 2866464, 3184960, 3583080, 4777440, 5732928, 7166160, 9554880, 14332320, 28664640]

約数ペア:

[(1, 28664640), (2, 14332320), (3, 9554880), (4, 7166160), (5, 5732928), (6, 4777440), (8, 3583080), (9, 3184960), (10, 2866464), (12, 2388720), (15, 1910976), (16, 1791540), (18, 1592480), (20, 1433232), (24, 1194360), (30, 955488), (32, 895770), (36, 796240), (37, 774720), (40, 716616), (45, 636992), (48, 597180), (60, 477744), (64, 447885), (72, 398120), (74, 387360), (80, 358308), (90, 318496), (96, 298590), (111, 258240), (120, 238872), (144, 199060), (148, 193680), (160, 179154), (180, 159248), (185, 154944), (192, 149295), (222, 129120), (240, 119436), (269, 106560), (288, 99530), (296, 96840), (320, 89577), (333, 86080), (360, 79624), (370, 77472), (444, 64560), (480, 59718), (538, 53280), (555, 51648), (576, 49765), (592, 48420), (666, 43040), (720, 39812), (740, 38736), (807, 35520), (888, 32280), (960, 29859), (1076, 26640), (1110, 25824), (1184, 24210), (1332, 21520), (1345, 21312), (1440, 19906), (1480, 19368), (1614, 17760), (1665, 17216), (1776, 16140), (2152, 13320), (2220, 12912), (2368, 12105), (2421, 11840), (2664, 10760), (2690, 10656), (2880, 9953), (2960, 9684), (3228, 8880), (3330, 8608), (3552, 8070), (4035, 7104), (4304, 6660), (4440, 6456), (4842, 5920), (5328, 5380)]