85400840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 147879160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 89, 92, 115, 140, 149, 161, 178, 184, 230, 280, 298, 322, 356, 445, 460, 596, 623, 644, 712, 745, 805, 890, 920, 1043, 1192, 1246, 1288, 1490, 1610, 1780, 2047, 2086, 2492, 2980, 3115, 3220, 3427, 3560, 4094, 4172, 4984, 5215, 5960, 6230, 6440, 6854, 8188, 8344, 10235, 10430, 12460, 13261, 13708, 14329, 16376, 17135, 20470, 20860, 23989, 24920, 26522, 27416, 28658, 34270, 40940, 41720, 47978, 53044, 57316, 66305, 68540, 71645, 81880, 92827, 95956, 106088, 114632, 119945, 132610, 137080, 143290, 185654, 191912, 239890, 265220, 286580, 305003, 371308, 464135, 479780, 530440, 573160, 610006, 742616, 928270, 959560, 1220012, 1525015, 1856540, 2135021, 2440024, 3050030, 3713080, 4270042, 6100060, 8540084, 10675105, 12200120, 17080168, 21350210, 42700420, 85400840]

約数ペア:

[(1, 85400840), (2, 42700420), (4, 21350210), (5, 17080168), (7, 12200120), (8, 10675105), (10, 8540084), (14, 6100060), (20, 4270042), (23, 3713080), (28, 3050030), (35, 2440024), (40, 2135021), (46, 1856540), (56, 1525015), (70, 1220012), (89, 959560), (92, 928270), (115, 742616), (140, 610006), (149, 573160), (161, 530440), (178, 479780), (184, 464135), (230, 371308), (280, 305003), (298, 286580), (322, 265220), (356, 239890), (445, 191912), (460, 185654), (596, 143290), (623, 137080), (644, 132610), (712, 119945), (745, 114632), (805, 106088), (890, 95956), (920, 92827), (1043, 81880), (1192, 71645), (1246, 68540), (1288, 66305), (1490, 57316), (1610, 53044), (1780, 47978), (2047, 41720), (2086, 40940), (2492, 34270), (2980, 28658), (3115, 27416), (3220, 26522), (3427, 24920), (3560, 23989), (4094, 20860), (4172, 20470), (4984, 17135), (5215, 16376), (5960, 14329), (6230, 13708), (6440, 13261), (6854, 12460), (8188, 10430), (8344, 10235)]