8720880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 32140800

約数和(自身を除く): 23419920

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, 179, 203, 210, 232, 240, 280, 290, 336, 348, 358, 406, 420, 435, 464, 537, 560, 580, 609, 696, 716, 812, 840, 870, 895, 1015, 1074, 1160, 1218, 1253, 1392, 1432, 1624, 1680, 1740, 1790, 2030, 2148, 2320, 2436, 2506, 2685, 2864, 3045, 3248, 3480, 3580, 3759, 4060, 4296, 4872, 5012, 5191, 5370, 6090, 6265, 6960, 7160, 7518, 8120, 8592, 9744, 10024, 10382, 10740, 12180, 12530, 14320, 15036, 15573, 16240, 18795, 20048, 20764, 21480, 24360, 25060, 25955, 30072, 31146, 36337, 37590, 41528, 42960, 48720, 50120, 51910, 60144, 62292, 72674, 75180, 77865, 83056, 100240, 103820, 109011, 124584, 145348, 150360, 155730, 181685, 207640, 218022, 249168, 290696, 300720, 311460, 363370, 415280, 436044, 545055, 581392, 622920, 726740, 872088, 1090110, 1245840, 1453480, 1744176, 2180220, 2906960, 4360440, 8720880]

約数ペア:

[(1, 8720880), (2, 4360440), (3, 2906960), (4, 2180220), (5, 1744176), (6, 1453480), (7, 1245840), (8, 1090110), (10, 872088), (12, 726740), (14, 622920), (15, 581392), (16, 545055), (20, 436044), (21, 415280), (24, 363370), (28, 311460), (29, 300720), (30, 290696), (35, 249168), (40, 218022), (42, 207640), (48, 181685), (56, 155730), (58, 150360), (60, 145348), (70, 124584), (80, 109011), (84, 103820), (87, 100240), (105, 83056), (112, 77865), (116, 75180), (120, 72674), (140, 62292), (145, 60144), (168, 51910), (174, 50120), (179, 48720), (203, 42960), (210, 41528), (232, 37590), (240, 36337), (280, 31146), (290, 30072), (336, 25955), (348, 25060), (358, 24360), (406, 21480), (420, 20764), (435, 20048), (464, 18795), (537, 16240), (560, 15573), (580, 15036), (609, 14320), (696, 12530), (716, 12180), (812, 10740), (840, 10382), (870, 10024), (895, 9744), (1015, 8592), (1074, 8120), (1160, 7518), (1218, 7160), (1253, 6960), (1392, 6265), (1432, 6090), (1624, 5370), (1680, 5191), (1740, 5012), (1790, 4872), (2030, 4296), (2148, 4060), (2320, 3759), (2436, 3580), (2506, 3480), (2685, 3248), (2864, 3045)]