87307220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 254016000

約数和(自身を除く): 166708780

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 89, 91, 98, 110, 130, 140, 143, 154, 178, 182, 196, 220, 245, 260, 286, 308, 343, 356, 364, 385, 445, 455, 490, 539, 572, 623, 637, 686, 715, 770, 890, 910, 979, 980, 1001, 1078, 1157, 1246, 1274, 1372, 1430, 1540, 1715, 1780, 1820, 1958, 2002, 2156, 2314, 2492, 2548, 2695, 2860, 3115, 3185, 3430, 3773, 3916, 4004, 4361, 4459, 4628, 4895, 5005, 5390, 5785, 6230, 6370, 6853, 6860, 7007, 7546, 8099, 8722, 8918, 9790, 10010, 10780, 11570, 12460, 12727, 12740, 13706, 14014, 15092, 16198, 17444, 17836, 18865, 19580, 20020, 21805, 22295, 23140, 25454, 27412, 28028, 30527, 32396, 34265, 35035, 37730, 40495, 43610, 44590, 47971, 49049, 50908, 56693, 61054, 63635, 68530, 70070, 75460, 80990, 87220, 89089, 89180, 95942, 98098, 113386, 122108, 127270, 137060, 140140, 152635, 161980, 178178, 191884, 196196, 226772, 239855, 245245, 254540, 283465, 305270, 335797, 356356, 396851, 445445, 479710, 490490, 566930, 610540, 623623, 671594, 793702, 890890, 959420, 980980, 1133860, 1247246, 1343188, 1587404, 1678985, 1781780, 1984255, 2494492, 3118115, 3357970, 3968510, 4365361, 6236230, 6715940, 7937020, 8730722, 12472460, 17461444, 21826805, 43653610, 87307220]

約数ペア:

[(1, 87307220), (2, 43653610), (4, 21826805), (5, 17461444), (7, 12472460), (10, 8730722), (11, 7937020), (13, 6715940), (14, 6236230), (20, 4365361), (22, 3968510), (26, 3357970), (28, 3118115), (35, 2494492), (44, 1984255), (49, 1781780), (52, 1678985), (55, 1587404), (65, 1343188), (70, 1247246), (77, 1133860), (89, 980980), (91, 959420), (98, 890890), (110, 793702), (130, 671594), (140, 623623), (143, 610540), (154, 566930), (178, 490490), (182, 479710), (196, 445445), (220, 396851), (245, 356356), (260, 335797), (286, 305270), (308, 283465), (343, 254540), (356, 245245), (364, 239855), (385, 226772), (445, 196196), (455, 191884), (490, 178178), (539, 161980), (572, 152635), (623, 140140), (637, 137060), (686, 127270), (715, 122108), (770, 113386), (890, 98098), (910, 95942), (979, 89180), (980, 89089), (1001, 87220), (1078, 80990), (1157, 75460), (1246, 70070), (1274, 68530), (1372, 63635), (1430, 61054), (1540, 56693), (1715, 50908), (1780, 49049), (1820, 47971), (1958, 44590), (2002, 43610), (2156, 40495), (2314, 37730), (2492, 35035), (2548, 34265), (2695, 32396), (2860, 30527), (3115, 28028), (3185, 27412), (3430, 25454), (3773, 23140), (3916, 22295), (4004, 21805), (4361, 20020), (4459, 19580), (4628, 18865), (4895, 17836), (5005, 17444), (5390, 16198), (5785, 15092), (6230, 14014), (6370, 13706), (6853, 12740), (6860, 12727), (7007, 12460), (7546, 11570), (8099, 10780), (8722, 10010), (8918, 9790)]