28912800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1751

約数の個数: 144

約数和(自身を含む): 107618112

約数和(自身を除く): 78705312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 1721, 2100, 2400, 2800, 3360, 3442, 4200, 5163, 5600, 6884, 8400, 8605, 10326, 12047, 13768, 16800, 17210, 20652, 24094, 25815, 27536, 34420, 36141, 41304, 43025, 48188, 51630, 55072, 60235, 68840, 72282, 82608, 86050, 96376, 103260, 120470, 129075, 137680, 144564, 165216, 172100, 180705, 192752, 206520, 240940, 258150, 275360, 289128, 301175, 344200, 361410, 385504, 413040, 481880, 516300, 578256, 602350, 688400, 722820, 826080, 903525, 963760, 1032600, 1156512, 1204700, 1376800, 1445640, 1807050, 1927520, 2065200, 2409400, 2891280, 3614100, 4130400, 4818800, 5782560, 7228200, 9637600, 14456400, 28912800]

約数ペア:

[(1, 28912800), (2, 14456400), (3, 9637600), (4, 7228200), (5, 5782560), (6, 4818800), (7, 4130400), (8, 3614100), (10, 2891280), (12, 2409400), (14, 2065200), (15, 1927520), (16, 1807050), (20, 1445640), (21, 1376800), (24, 1204700), (25, 1156512), (28, 1032600), (30, 963760), (32, 903525), (35, 826080), (40, 722820), (42, 688400), (48, 602350), (50, 578256), (56, 516300), (60, 481880), (70, 413040), (75, 385504), (80, 361410), (84, 344200), (96, 301175), (100, 289128), (105, 275360), (112, 258150), (120, 240940), (140, 206520), (150, 192752), (160, 180705), (168, 172100), (175, 165216), (200, 144564), (210, 137680), (224, 129075), (240, 120470), (280, 103260), (300, 96376), (336, 86050), (350, 82608), (400, 72282), (420, 68840), (480, 60235), (525, 55072), (560, 51630), (600, 48188), (672, 43025), (700, 41304), (800, 36141), (840, 34420), (1050, 27536), (1120, 25815), (1200, 24094), (1400, 20652), (1680, 17210), (1721, 16800), (2100, 13768), (2400, 12047), (2800, 10326), (3360, 8605), (3442, 8400), (4200, 6884), (5163, 5600)]