138131560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 376358400

約数和(自身を除く): 238226840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 140, 161, 178, 184, 230, 241, 280, 322, 356, 445, 460, 482, 623, 644, 712, 805, 890, 920, 964, 1205, 1246, 1288, 1610, 1687, 1780, 1928, 2047, 2410, 2492, 3115, 3220, 3374, 3560, 4094, 4820, 4984, 5543, 6230, 6440, 6748, 8188, 8435, 9640, 10235, 11086, 12460, 13496, 14329, 16376, 16870, 20470, 21449, 22172, 24920, 27715, 28658, 33740, 38801, 40940, 42898, 44344, 55430, 57316, 67480, 71645, 77602, 81880, 85796, 107245, 110860, 114632, 143290, 150143, 155204, 171592, 194005, 214490, 221720, 286580, 300286, 310408, 388010, 428980, 493327, 573160, 600572, 750715, 776020, 857960, 986654, 1201144, 1501430, 1552040, 1973308, 2466635, 3002860, 3453289, 3946616, 4933270, 6005720, 6906578, 9866540, 13813156, 17266445, 19733080, 27626312, 34532890, 69065780, 138131560]

約数ペア:

[(1, 138131560), (2, 69065780), (4, 34532890), (5, 27626312), (7, 19733080), (8, 17266445), (10, 13813156), (14, 9866540), (20, 6906578), (23, 6005720), (28, 4933270), (35, 3946616), (40, 3453289), (46, 3002860), (56, 2466635), (70, 1973308), (89, 1552040), (92, 1501430), (115, 1201144), (140, 986654), (161, 857960), (178, 776020), (184, 750715), (230, 600572), (241, 573160), (280, 493327), (322, 428980), (356, 388010), (445, 310408), (460, 300286), (482, 286580), (623, 221720), (644, 214490), (712, 194005), (805, 171592), (890, 155204), (920, 150143), (964, 143290), (1205, 114632), (1246, 110860), (1288, 107245), (1610, 85796), (1687, 81880), (1780, 77602), (1928, 71645), (2047, 67480), (2410, 57316), (2492, 55430), (3115, 44344), (3220, 42898), (3374, 40940), (3560, 38801), (4094, 33740), (4820, 28658), (4984, 27715), (5543, 24920), (6230, 22172), (6440, 21449), (6748, 20470), (8188, 16870), (8435, 16376), (9640, 14329), (10235, 13496), (11086, 12460)]