256475376

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31247}}^1$

素因数の和:31283

約数の個数: 80

約数和(自身を含む): 774950400

約数和(自身を除く): 518475024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 31247, 62494, 93741, 124988, 187482, 249976, 281223, 374964, 499952, 562446, 593693, 749928, 843669, 1124892, 1187386, 1499856, 1687338, 1781079, 2249784, 2374772, 3374676, 3562158, 4499568, 4749544, 5343237, 6749352, 7124316, 9499088, 10686474, 13498704, 14248632, 16029711, 21372948, 28497264, 32059422, 42745896, 64118844, 85491792, 128237688, 256475376]

約数ペア:

[(1, 256475376), (2, 128237688), (3, 85491792), (4, 64118844), (6, 42745896), (8, 32059422), (9, 28497264), (12, 21372948), (16, 16029711), (18, 14248632), (19, 13498704), (24, 10686474), (27, 9499088), (36, 7124316), (38, 6749352), (48, 5343237), (54, 4749544), (57, 4499568), (72, 3562158), (76, 3374676), (108, 2374772), (114, 2249784), (144, 1781079), (152, 1687338), (171, 1499856), (216, 1187386), (228, 1124892), (304, 843669), (342, 749928), (432, 593693), (456, 562446), (513, 499952), (684, 374964), (912, 281223), (1026, 249976), (1368, 187482), (2052, 124988), (2736, 93741), (4104, 62494), (8208, 31247)]