488830720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 1355417280

約数和(自身を除く): 866586560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 560, 613, 623, 640, 712, 890, 896, 1120, 1226, 1246, 1280, 1424, 1780, 1792, 2240, 2452, 2492, 2848, 3065, 3115, 3560, 4291, 4480, 4904, 4984, 5696, 6130, 6230, 7120, 8582, 8960, 9808, 9968, 11392, 12260, 12460, 14240, 17164, 19616, 19936, 21455, 22784, 24520, 24920, 28480, 34328, 39232, 39872, 42910, 49040, 49840, 54557, 56960, 68656, 78464, 79744, 85820, 98080, 99680, 109114, 113920, 137312, 156928, 159488, 171640, 196160, 199360, 218228, 272785, 274624, 343280, 381899, 392320, 398720, 436456, 545570, 549248, 686560, 763798, 784640, 797440, 872912, 1091140, 1098496, 1373120, 1527596, 1745824, 1909495, 2182280, 2746240, 3055192, 3491648, 3818990, 4364560, 5492480, 6110384, 6983296, 7637980, 8729120, 12220768, 13966592, 15275960, 17458240, 24441536, 30551920, 34916480, 48883072, 61103840, 69832960, 97766144, 122207680, 244415360, 488830720]

約数ペア:

[(1, 488830720), (2, 244415360), (4, 122207680), (5, 97766144), (7, 69832960), (8, 61103840), (10, 48883072), (14, 34916480), (16, 30551920), (20, 24441536), (28, 17458240), (32, 15275960), (35, 13966592), (40, 12220768), (56, 8729120), (64, 7637980), (70, 6983296), (80, 6110384), (89, 5492480), (112, 4364560), (128, 3818990), (140, 3491648), (160, 3055192), (178, 2746240), (224, 2182280), (256, 1909495), (280, 1745824), (320, 1527596), (356, 1373120), (445, 1098496), (448, 1091140), (560, 872912), (613, 797440), (623, 784640), (640, 763798), (712, 686560), (890, 549248), (896, 545570), (1120, 436456), (1226, 398720), (1246, 392320), (1280, 381899), (1424, 343280), (1780, 274624), (1792, 272785), (2240, 218228), (2452, 199360), (2492, 196160), (2848, 171640), (3065, 159488), (3115, 156928), (3560, 137312), (4291, 113920), (4480, 109114), (4904, 99680), (4984, 98080), (5696, 85820), (6130, 79744), (6230, 78464), (7120, 68656), (8582, 56960), (8960, 54557), (9808, 49840), (9968, 49040), (11392, 42910), (12260, 39872), (12460, 39232), (14240, 34328), (17164, 28480), (19616, 24920), (19936, 24520), (21455, 22784)]