872372480

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2029

約数の個数: 144

約数和(自身を含む): 2438083200

約数和(自身を除く): 1565710720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 1987, 2240, 2744, 3136, 3430, 3920, 3974, 4480, 5488, 6272, 6860, 7840, 7948, 8960, 9935, 10976, 12544, 13720, 13909, 15680, 15896, 19870, 21952, 27440, 27818, 31360, 31792, 39740, 43904, 54880, 55636, 62720, 63584, 69545, 79480, 87808, 97363, 109760, 111272, 127168, 139090, 158960, 194726, 219520, 222544, 254336, 278180, 317920, 389452, 439040, 445088, 486815, 508672, 556360, 635840, 681541, 778904, 890176, 973630, 1112720, 1271680, 1363082, 1557808, 1780352, 1947260, 2225440, 2543360, 2726164, 3115616, 3407705, 3560704, 3894520, 4450880, 5452328, 6231232, 6815410, 7789040, 8901760, 10904656, 12462464, 13630820, 15578080, 17803520, 21809312, 24924928, 27261640, 31156160, 43618624, 54523280, 62312320, 87237248, 109046560, 124624640, 174474496, 218093120, 436186240, 872372480]

約数ペア:

[(1, 872372480), (2, 436186240), (4, 218093120), (5, 174474496), (7, 124624640), (8, 109046560), (10, 87237248), (14, 62312320), (16, 54523280), (20, 43618624), (28, 31156160), (32, 27261640), (35, 24924928), (40, 21809312), (49, 17803520), (56, 15578080), (64, 13630820), (70, 12462464), (80, 10904656), (98, 8901760), (112, 7789040), (128, 6815410), (140, 6231232), (160, 5452328), (196, 4450880), (224, 3894520), (245, 3560704), (256, 3407705), (280, 3115616), (320, 2726164), (343, 2543360), (392, 2225440), (448, 1947260), (490, 1780352), (560, 1557808), (640, 1363082), (686, 1271680), (784, 1112720), (896, 973630), (980, 890176), (1120, 778904), (1280, 681541), (1372, 635840), (1568, 556360), (1715, 508672), (1792, 486815), (1960, 445088), (1987, 439040), (2240, 389452), (2744, 317920), (3136, 278180), (3430, 254336), (3920, 222544), (3974, 219520), (4480, 194726), (5488, 158960), (6272, 139090), (6860, 127168), (7840, 111272), (7948, 109760), (8960, 97363), (9935, 87808), (10976, 79480), (12544, 69545), (13720, 63584), (13909, 62720), (15680, 55636), (15896, 54880), (19870, 43904), (21952, 39740), (27440, 31792), (27818, 31360)]