256599144

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 741820800

約数和(自身を除く): 485221656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 97, 108, 111, 148, 194, 216, 222, 291, 296, 331, 333, 388, 444, 582, 662, 666, 776, 873, 888, 993, 999, 1164, 1324, 1332, 1746, 1986, 1998, 2328, 2619, 2648, 2664, 2979, 3492, 3589, 3972, 3996, 5238, 5958, 6984, 7178, 7944, 7992, 8937, 10476, 10767, 11916, 12247, 14356, 17874, 20952, 21534, 23832, 24494, 28712, 32107, 32301, 35748, 36741, 43068, 48988, 64214, 64602, 71496, 73482, 86136, 96321, 96903, 97976, 110223, 128428, 129204, 146964, 192642, 193806, 220446, 256856, 258408, 288963, 293928, 330669, 385284, 387612, 440892, 577926, 661338, 770568, 775224, 866889, 881784, 1155852, 1187959, 1322676, 1733778, 2311704, 2375918, 2645352, 3467556, 3563877, 4751836, 6935112, 7127754, 9503672, 10691631, 14255508, 21383262, 28511016, 32074893, 42766524, 64149786, 85533048, 128299572, 256599144]

約数ペア:

[(1, 256599144), (2, 128299572), (3, 85533048), (4, 64149786), (6, 42766524), (8, 32074893), (9, 28511016), (12, 21383262), (18, 14255508), (24, 10691631), (27, 9503672), (36, 7127754), (37, 6935112), (54, 4751836), (72, 3563877), (74, 3467556), (97, 2645352), (108, 2375918), (111, 2311704), (148, 1733778), (194, 1322676), (216, 1187959), (222, 1155852), (291, 881784), (296, 866889), (331, 775224), (333, 770568), (388, 661338), (444, 577926), (582, 440892), (662, 387612), (666, 385284), (776, 330669), (873, 293928), (888, 288963), (993, 258408), (999, 256856), (1164, 220446), (1324, 193806), (1332, 192642), (1746, 146964), (1986, 129204), (1998, 128428), (2328, 110223), (2619, 97976), (2648, 96903), (2664, 96321), (2979, 86136), (3492, 73482), (3589, 71496), (3972, 64602), (3996, 64214), (5238, 48988), (5958, 43068), (6984, 36741), (7178, 35748), (7944, 32301), (7992, 32107), (8937, 28712), (10476, 24494), (10767, 23832), (11916, 21534), (12247, 20952), (14356, 17874)]