28452480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 108691200

約数和(自身を除く): 80238720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 73, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 146, 160, 168, 174, 192, 203, 210, 219, 224, 232, 240, 280, 290, 292, 320, 336, 348, 365, 384, 406, 420, 435, 438, 448, 464, 480, 511, 560, 580, 584, 609, 640, 672, 696, 730, 812, 840, 870, 876, 896, 928, 960, 1015, 1022, 1095, 1120, 1160, 1168, 1218, 1344, 1392, 1460, 1533, 1624, 1680, 1740, 1752, 1856, 1920, 2030, 2044, 2117, 2190, 2240, 2320, 2336, 2436, 2555, 2688, 2784, 2920, 3045, 3066, 3248, 3360, 3480, 3504, 3712, 4060, 4088, 4234, 4380, 4480, 4640, 4672, 4872, 5110, 5568, 5840, 6090, 6132, 6351, 6496, 6720, 6960, 7008, 7665, 8120, 8176, 8468, 8760, 9280, 9344, 9744, 10220, 10585, 11136, 11680, 12180, 12264, 12702, 12992, 13440, 13920, 14016, 14819, 15330, 16240, 16352, 16936, 17520, 18560, 19488, 20440, 21170, 23360, 24360, 24528, 25404, 25984, 27840, 28032, 29638, 30660, 31755, 32480, 32704, 33872, 35040, 38976, 40880, 42340, 44457, 46720, 48720, 49056, 50808, 55680, 59276, 61320, 63510, 64960, 65408, 67744, 70080, 74095, 77952, 81760, 84680, 88914, 97440, 98112, 101616, 118552, 122640, 127020, 129920, 135488, 140160, 148190, 163520, 169360, 177828, 194880, 196224, 203232, 222285, 237104, 245280, 254040, 270976, 296380, 327040, 338720, 355656, 389760, 406464, 444570, 474208, 490560, 508080, 592760, 677440, 711312, 812928, 889140, 948416, 981120, 1016160, 1185520, 1354880, 1422624, 1778280, 1896832, 2032320, 2371040, 2845248, 3556560, 4064640, 4742080, 5690496, 7113120, 9484160, 14226240, 28452480]

約数ペア:

[(1, 28452480), (2, 14226240), (3, 9484160), (4, 7113120), (5, 5690496), (6, 4742080), (7, 4064640), (8, 3556560), (10, 2845248), (12, 2371040), (14, 2032320), (15, 1896832), (16, 1778280), (20, 1422624), (21, 1354880), (24, 1185520), (28, 1016160), (29, 981120), (30, 948416), (32, 889140), (35, 812928), (40, 711312), (42, 677440), (48, 592760), (56, 508080), (58, 490560), (60, 474208), (64, 444570), (70, 406464), (73, 389760), (80, 355656), (84, 338720), (87, 327040), (96, 296380), (105, 270976), (112, 254040), (116, 245280), (120, 237104), (128, 222285), (140, 203232), (145, 196224), (146, 194880), (160, 177828), (168, 169360), (174, 163520), (192, 148190), (203, 140160), (210, 135488), (219, 129920), (224, 127020), (232, 122640), (240, 118552), (280, 101616), (290, 98112), (292, 97440), (320, 88914), (336, 84680), (348, 81760), (365, 77952), (384, 74095), (406, 70080), (420, 67744), (435, 65408), (438, 64960), (448, 63510), (464, 61320), (480, 59276), (511, 55680), (560, 50808), (580, 49056), (584, 48720), (609, 46720), (640, 44457), (672, 42340), (696, 40880), (730, 38976), (812, 35040), (840, 33872), (870, 32704), (876, 32480), (896, 31755), (928, 30660), (960, 29638), (1015, 28032), (1022, 27840), (1095, 25984), (1120, 25404), (1160, 24528), (1168, 24360), (1218, 23360), (1344, 21170), (1392, 20440), (1460, 19488), (1533, 18560), (1624, 17520), (1680, 16936), (1740, 16352), (1752, 16240), (1856, 15330), (1920, 14819), (2030, 14016), (2044, 13920), (2117, 13440), (2190, 12992), (2240, 12702), (2320, 12264), (2336, 12180), (2436, 11680), (2555, 11136), (2688, 10585), (2784, 10220), (2920, 9744), (3045, 9344), (3066, 9280), (3248, 8760), (3360, 8468), (3480, 8176), (3504, 8120), (3712, 7665), (4060, 7008), (4088, 6960), (4234, 6720), (4380, 6496), (4480, 6351), (4640, 6132), (4672, 6090), (4872, 5840), (5110, 5568)]