81142600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 237484800

約数和(自身を除く): 156342200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 121, 140, 154, 175, 200, 220, 242, 275, 280, 308, 350, 385, 440, 479, 484, 550, 605, 616, 700, 770, 847, 958, 968, 1100, 1210, 1400, 1540, 1694, 1916, 1925, 2200, 2395, 2420, 3025, 3080, 3353, 3388, 3832, 3850, 4235, 4790, 4840, 5269, 6050, 6706, 6776, 7700, 8470, 9580, 10538, 11975, 12100, 13412, 15400, 16765, 16940, 19160, 21076, 21175, 23950, 24200, 26345, 26824, 33530, 33880, 36883, 42152, 42350, 47900, 52690, 57959, 67060, 73766, 83825, 84700, 95800, 105380, 115918, 131725, 134120, 147532, 167650, 169400, 184415, 210760, 231836, 263450, 289795, 295064, 335300, 368830, 405713, 463672, 526900, 579590, 670600, 737660, 811426, 922075, 1053800, 1159180, 1448975, 1475320, 1622852, 1844150, 2028565, 2318360, 2897950, 3245704, 3688300, 4057130, 5795900, 7376600, 8114260, 10142825, 11591800, 16228520, 20285650, 40571300, 81142600]

約数ペア:

[(1, 81142600), (2, 40571300), (4, 20285650), (5, 16228520), (7, 11591800), (8, 10142825), (10, 8114260), (11, 7376600), (14, 5795900), (20, 4057130), (22, 3688300), (25, 3245704), (28, 2897950), (35, 2318360), (40, 2028565), (44, 1844150), (50, 1622852), (55, 1475320), (56, 1448975), (70, 1159180), (77, 1053800), (88, 922075), (100, 811426), (110, 737660), (121, 670600), (140, 579590), (154, 526900), (175, 463672), (200, 405713), (220, 368830), (242, 335300), (275, 295064), (280, 289795), (308, 263450), (350, 231836), (385, 210760), (440, 184415), (479, 169400), (484, 167650), (550, 147532), (605, 134120), (616, 131725), (700, 115918), (770, 105380), (847, 95800), (958, 84700), (968, 83825), (1100, 73766), (1210, 67060), (1400, 57959), (1540, 52690), (1694, 47900), (1916, 42350), (1925, 42152), (2200, 36883), (2395, 33880), (2420, 33530), (3025, 26824), (3080, 26345), (3353, 24200), (3388, 23950), (3832, 21175), (3850, 21076), (4235, 19160), (4790, 16940), (4840, 16765), (5269, 15400), (6050, 13412), (6706, 12100), (6776, 11975), (7700, 10538), (8470, 9580)]