678608256

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 1909929600

約数和(自身を除く): 1231321344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 281, 304, 331, 384, 456, 562, 608, 662, 843, 912, 993, 1124, 1216, 1324, 1686, 1824, 1986, 2248, 2432, 2648, 3372, 3648, 3972, 4496, 5296, 5339, 6289, 6744, 7296, 7944, 8992, 10592, 10678, 12578, 13488, 15888, 16017, 17984, 18867, 21184, 21356, 25156, 26976, 31776, 32034, 35968, 37734, 42368, 42712, 50312, 53952, 63552, 64068, 75468, 85424, 93011, 100624, 107904, 127104, 128136, 150936, 170848, 186022, 201248, 256272, 279033, 301872, 341696, 372044, 402496, 512544, 558066, 603744, 683392, 744088, 804992, 1025088, 1116132, 1207488, 1488176, 1767209, 2050176, 2232264, 2414976, 2976352, 3534418, 4464528, 5301627, 5952704, 7068836, 8929056, 10603254, 11905408, 14137672, 17858112, 21206508, 28275344, 35716224, 42413016, 56550688, 84826032, 113101376, 169652064, 226202752, 339304128, 678608256]

約数ペア:

[(1, 678608256), (2, 339304128), (3, 226202752), (4, 169652064), (6, 113101376), (8, 84826032), (12, 56550688), (16, 42413016), (19, 35716224), (24, 28275344), (32, 21206508), (38, 17858112), (48, 14137672), (57, 11905408), (64, 10603254), (76, 8929056), (96, 7068836), (114, 5952704), (128, 5301627), (152, 4464528), (192, 3534418), (228, 2976352), (281, 2414976), (304, 2232264), (331, 2050176), (384, 1767209), (456, 1488176), (562, 1207488), (608, 1116132), (662, 1025088), (843, 804992), (912, 744088), (993, 683392), (1124, 603744), (1216, 558066), (1324, 512544), (1686, 402496), (1824, 372044), (1986, 341696), (2248, 301872), (2432, 279033), (2648, 256272), (3372, 201248), (3648, 186022), (3972, 170848), (4496, 150936), (5296, 128136), (5339, 127104), (6289, 107904), (6744, 100624), (7296, 93011), (7944, 85424), (8992, 75468), (10592, 64068), (10678, 63552), (12578, 53952), (13488, 50312), (15888, 42712), (16017, 42368), (17984, 37734), (18867, 35968), (21184, 32034), (21356, 31776), (25156, 26976)]