256719680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3752

約数の個数: 112

約数和(自身を含む): 721376256

約数和(自身を除く): 464656576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3697, 4340, 4960, 6944, 7394, 8680, 9920, 13888, 14788, 17360, 18485, 25879, 29576, 34720, 36970, 51758, 59152, 69440, 73940, 103516, 114607, 118304, 129395, 147880, 207032, 229214, 236608, 258790, 295760, 414064, 458428, 517580, 573035, 591520, 802249, 828128, 916856, 1035160, 1146070, 1183040, 1604498, 1656256, 1833712, 2070320, 2292140, 3208996, 3667424, 4011245, 4140640, 4584280, 6417992, 7334848, 8022490, 8281280, 9168560, 12835984, 16044980, 18337120, 25671968, 32089960, 36674240, 51343936, 64179920, 128359840, 256719680]

約数ペア:

[(1, 256719680), (2, 128359840), (4, 64179920), (5, 51343936), (7, 36674240), (8, 32089960), (10, 25671968), (14, 18337120), (16, 16044980), (20, 12835984), (28, 9168560), (31, 8281280), (32, 8022490), (35, 7334848), (40, 6417992), (56, 4584280), (62, 4140640), (64, 4011245), (70, 3667424), (80, 3208996), (112, 2292140), (124, 2070320), (140, 1833712), (155, 1656256), (160, 1604498), (217, 1183040), (224, 1146070), (248, 1035160), (280, 916856), (310, 828128), (320, 802249), (434, 591520), (448, 573035), (496, 517580), (560, 458428), (620, 414064), (868, 295760), (992, 258790), (1085, 236608), (1120, 229214), (1240, 207032), (1736, 147880), (1984, 129395), (2170, 118304), (2240, 114607), (2480, 103516), (3472, 73940), (3697, 69440), (4340, 59152), (4960, 51758), (6944, 36970), (7394, 34720), (8680, 29576), (9920, 25879), (13888, 18485), (14788, 17360)]