251574120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 256

約数和(自身を含む): 970444800

約数和(自身を除く): 718870680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 107, 108, 120, 126, 135, 140, 168, 180, 189, 210, 214, 216, 252, 270, 280, 311, 315, 321, 360, 378, 420, 428, 504, 535, 540, 622, 630, 642, 749, 756, 840, 856, 933, 945, 963, 1070, 1080, 1244, 1260, 1284, 1498, 1512, 1555, 1605, 1866, 1890, 1926, 2140, 2177, 2247, 2488, 2520, 2568, 2799, 2889, 2996, 3110, 3210, 3732, 3745, 3780, 3852, 4280, 4354, 4494, 4665, 4815, 5598, 5778, 5992, 6220, 6420, 6531, 6741, 7464, 7490, 7560, 7704, 8397, 8708, 8988, 9330, 9630, 10885, 11196, 11235, 11556, 12440, 12840, 13062, 13482, 13995, 14445, 14980, 16794, 17416, 17976, 18660, 19260, 19593, 20223, 21770, 22392, 22470, 23112, 26124, 26964, 27990, 28890, 29960, 32655, 33277, 33588, 33705, 37320, 38520, 39186, 40446, 41985, 43540, 44940, 52248, 53928, 55980, 57780, 58779, 65310, 66554, 67176, 67410, 78372, 80892, 83970, 87080, 89880, 97965, 99831, 101115, 111960, 115560, 117558, 130620, 133108, 134820, 156744, 161784, 166385, 167940, 195930, 199662, 202230, 232939, 235116, 261240, 266216, 269640, 293895, 299493, 332770, 335880, 391860, 399324, 404460, 465878, 470232, 499155, 587790, 598986, 665540, 698817, 783720, 798648, 808920, 898479, 931756, 998310, 1164695, 1175580, 1197972, 1331080, 1397634, 1497465, 1796958, 1863512, 1996620, 2096451, 2329390, 2351160, 2395944, 2795268, 2994930, 3494085, 3593916, 3993240, 4192902, 4492395, 4658780, 5590536, 5989860, 6289353, 6988170, 7187832, 8385804, 8984790, 9317560, 10482255, 11979720, 12578706, 13976340, 16771608, 17969580, 20964510, 25157412, 27952680, 31446765, 35939160, 41929020, 50314824, 62893530, 83858040, 125787060, 251574120]

約数ペア:

[(1, 251574120), (2, 125787060), (3, 83858040), (4, 62893530), (5, 50314824), (6, 41929020), (7, 35939160), (8, 31446765), (9, 27952680), (10, 25157412), (12, 20964510), (14, 17969580), (15, 16771608), (18, 13976340), (20, 12578706), (21, 11979720), (24, 10482255), (27, 9317560), (28, 8984790), (30, 8385804), (35, 7187832), (36, 6988170), (40, 6289353), (42, 5989860), (45, 5590536), (54, 4658780), (56, 4492395), (60, 4192902), (63, 3993240), (70, 3593916), (72, 3494085), (84, 2994930), (90, 2795268), (105, 2395944), (107, 2351160), (108, 2329390), (120, 2096451), (126, 1996620), (135, 1863512), (140, 1796958), (168, 1497465), (180, 1397634), (189, 1331080), (210, 1197972), (214, 1175580), (216, 1164695), (252, 998310), (270, 931756), (280, 898479), (311, 808920), (315, 798648), (321, 783720), (360, 698817), (378, 665540), (420, 598986), (428, 587790), (504, 499155), (535, 470232), (540, 465878), (622, 404460), (630, 399324), (642, 391860), (749, 335880), (756, 332770), (840, 299493), (856, 293895), (933, 269640), (945, 266216), (963, 261240), (1070, 235116), (1080, 232939), (1244, 202230), (1260, 199662), (1284, 195930), (1498, 167940), (1512, 166385), (1555, 161784), (1605, 156744), (1866, 134820), (1890, 133108), (1926, 130620), (2140, 117558), (2177, 115560), (2247, 111960), (2488, 101115), (2520, 99831), (2568, 97965), (2799, 89880), (2889, 87080), (2996, 83970), (3110, 80892), (3210, 78372), (3732, 67410), (3745, 67176), (3780, 66554), (3852, 65310), (4280, 58779), (4354, 57780), (4494, 55980), (4665, 53928), (4815, 52248), (5598, 44940), (5778, 43540), (5992, 41985), (6220, 40446), (6420, 39186), (6531, 38520), (6741, 37320), (7464, 33705), (7490, 33588), (7560, 33277), (7704, 32655), (8397, 29960), (8708, 28890), (8988, 27990), (9330, 26964), (9630, 26124), (10885, 23112), (11196, 22470), (11235, 22392), (11556, 21770), (12440, 20223), (12840, 19593), (13062, 19260), (13482, 18660), (13995, 17976), (14445, 17416), (14980, 16794)]