256428144

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3675

約数の個数: 120

約数和(自身を含む): 831946752

約数和(自身を除く): 575518608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 71, 72, 84, 112, 126, 142, 144, 168, 213, 252, 284, 336, 426, 497, 504, 568, 639, 852, 994, 1008, 1136, 1278, 1491, 1704, 1988, 2556, 2982, 3408, 3583, 3976, 4473, 5112, 5964, 7166, 7952, 8946, 10224, 10749, 11928, 14332, 17892, 21498, 23856, 25081, 28664, 32247, 35784, 42996, 50162, 57328, 64494, 71568, 75243, 85992, 100324, 128988, 150486, 171984, 200648, 225729, 254393, 257976, 300972, 401296, 451458, 508786, 515952, 601944, 763179, 902916, 1017572, 1203888, 1526358, 1780751, 1805832, 2035144, 2289537, 3052716, 3561502, 3611664, 4070288, 4579074, 5342253, 6105432, 7123004, 9158148, 10684506, 12210864, 14246008, 16026759, 18316296, 21369012, 28492016, 32053518, 36632592, 42738024, 64107036, 85476048, 128214072, 256428144]

約数ペア:

[(1, 256428144), (2, 128214072), (3, 85476048), (4, 64107036), (6, 42738024), (7, 36632592), (8, 32053518), (9, 28492016), (12, 21369012), (14, 18316296), (16, 16026759), (18, 14246008), (21, 12210864), (24, 10684506), (28, 9158148), (36, 7123004), (42, 6105432), (48, 5342253), (56, 4579074), (63, 4070288), (71, 3611664), (72, 3561502), (84, 3052716), (112, 2289537), (126, 2035144), (142, 1805832), (144, 1780751), (168, 1526358), (213, 1203888), (252, 1017572), (284, 902916), (336, 763179), (426, 601944), (497, 515952), (504, 508786), (568, 451458), (639, 401296), (852, 300972), (994, 257976), (1008, 254393), (1136, 225729), (1278, 200648), (1491, 171984), (1704, 150486), (1988, 128988), (2556, 100324), (2982, 85992), (3408, 75243), (3583, 71568), (3976, 64494), (4473, 57328), (5112, 50162), (5964, 42996), (7166, 35784), (7952, 32247), (8946, 28664), (10224, 25081), (10749, 23856), (11928, 21498), (14332, 17892)]