128305980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 440936496

約数和(自身を除く): 312630516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 121, 129, 132, 137, 165, 172, 180, 198, 215, 220, 242, 258, 274, 330, 363, 387, 396, 411, 430, 473, 484, 495, 516, 548, 605, 645, 660, 685, 726, 774, 822, 860, 946, 990, 1089, 1210, 1233, 1290, 1370, 1419, 1452, 1507, 1548, 1644, 1815, 1892, 1935, 1980, 2055, 2178, 2365, 2420, 2466, 2580, 2740, 2838, 3014, 3630, 3870, 4110, 4257, 4356, 4521, 4730, 4932, 5203, 5445, 5676, 5891, 6028, 6165, 7095, 7260, 7535, 7740, 8220, 8514, 9042, 9460, 10406, 10890, 11782, 12330, 13563, 14190, 15070, 15609, 16577, 17028, 17673, 18084, 20812, 21285, 21780, 22605, 23564, 24660, 26015, 27126, 28380, 29455, 30140, 31218, 33154, 35346, 42570, 45210, 46827, 49731, 52030, 53019, 54252, 58910, 62436, 64801, 66308, 67815, 70692, 78045, 82885, 85140, 88365, 90420, 93654, 99462, 104060, 106038, 117820, 129602, 135630, 149193, 156090, 165770, 176730, 187308, 194403, 198924, 212076, 234135, 248655, 259204, 265095, 271260, 298386, 312180, 324005, 331540, 353460, 388806, 468270, 497310, 530190, 583209, 596772, 648010, 712811, 745965, 777612, 936540, 972015, 994620, 1060380, 1166418, 1296020, 1425622, 1491930, 1944030, 2138433, 2332836, 2851244, 2916045, 2983860, 3564055, 3888060, 4276866, 5832090, 6415299, 7128110, 8553732, 10692165, 11664180, 12830598, 14256220, 21384330, 25661196, 32076495, 42768660, 64152990, 128305980]

約数ペア:

[(1, 128305980), (2, 64152990), (3, 42768660), (4, 32076495), (5, 25661196), (6, 21384330), (9, 14256220), (10, 12830598), (11, 11664180), (12, 10692165), (15, 8553732), (18, 7128110), (20, 6415299), (22, 5832090), (30, 4276866), (33, 3888060), (36, 3564055), (43, 2983860), (44, 2916045), (45, 2851244), (55, 2332836), (60, 2138433), (66, 1944030), (86, 1491930), (90, 1425622), (99, 1296020), (110, 1166418), (121, 1060380), (129, 994620), (132, 972015), (137, 936540), (165, 777612), (172, 745965), (180, 712811), (198, 648010), (215, 596772), (220, 583209), (242, 530190), (258, 497310), (274, 468270), (330, 388806), (363, 353460), (387, 331540), (396, 324005), (411, 312180), (430, 298386), (473, 271260), (484, 265095), (495, 259204), (516, 248655), (548, 234135), (605, 212076), (645, 198924), (660, 194403), (685, 187308), (726, 176730), (774, 165770), (822, 156090), (860, 149193), (946, 135630), (990, 129602), (1089, 117820), (1210, 106038), (1233, 104060), (1290, 99462), (1370, 93654), (1419, 90420), (1452, 88365), (1507, 85140), (1548, 82885), (1644, 78045), (1815, 70692), (1892, 67815), (1935, 66308), (1980, 64801), (2055, 62436), (2178, 58910), (2365, 54252), (2420, 53019), (2466, 52030), (2580, 49731), (2740, 46827), (2838, 45210), (3014, 42570), (3630, 35346), (3870, 33154), (4110, 31218), (4257, 30140), (4356, 29455), (4521, 28380), (4730, 27126), (4932, 26015), (5203, 24660), (5445, 23564), (5676, 22605), (5891, 21780), (6028, 21285), (6165, 20812), (7095, 18084), (7260, 17673), (7535, 17028), (7740, 16577), (8220, 15609), (8514, 15070), (9042, 14190), (9460, 13563), (10406, 12330), (10890, 11782)]