11781540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 38591280

約数和(自身を除く): 26809740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 61, 74, 87, 90, 111, 116, 122, 145, 148, 174, 180, 183, 185, 222, 244, 261, 290, 305, 333, 348, 366, 370, 435, 444, 522, 549, 555, 580, 610, 666, 732, 740, 870, 915, 1044, 1073, 1098, 1110, 1220, 1305, 1332, 1665, 1740, 1769, 1830, 2146, 2196, 2220, 2257, 2610, 2745, 3219, 3330, 3538, 3660, 4292, 4514, 5220, 5307, 5365, 5490, 6438, 6660, 6771, 7076, 8845, 9028, 9657, 10614, 10730, 10980, 11285, 12876, 13542, 15921, 16095, 17690, 19314, 20313, 21228, 21460, 22570, 26535, 27084, 31842, 32190, 33855, 35380, 38628, 40626, 45140, 48285, 53070, 63684, 64380, 65453, 67710, 79605, 81252, 96570, 101565, 106140, 130906, 135420, 159210, 193140, 196359, 203130, 261812, 318420, 327265, 392718, 406260, 589077, 654530, 785436, 981795, 1178154, 1309060, 1963590, 2356308, 2945385, 3927180, 5890770, 11781540]

約数ペア:

[(1, 11781540), (2, 5890770), (3, 3927180), (4, 2945385), (5, 2356308), (6, 1963590), (9, 1309060), (10, 1178154), (12, 981795), (15, 785436), (18, 654530), (20, 589077), (29, 406260), (30, 392718), (36, 327265), (37, 318420), (45, 261812), (58, 203130), (60, 196359), (61, 193140), (74, 159210), (87, 135420), (90, 130906), (111, 106140), (116, 101565), (122, 96570), (145, 81252), (148, 79605), (174, 67710), (180, 65453), (183, 64380), (185, 63684), (222, 53070), (244, 48285), (261, 45140), (290, 40626), (305, 38628), (333, 35380), (348, 33855), (366, 32190), (370, 31842), (435, 27084), (444, 26535), (522, 22570), (549, 21460), (555, 21228), (580, 20313), (610, 19314), (666, 17690), (732, 16095), (740, 15921), (870, 13542), (915, 12876), (1044, 11285), (1073, 10980), (1098, 10730), (1110, 10614), (1220, 9657), (1305, 9028), (1332, 8845), (1665, 7076), (1740, 6771), (1769, 6660), (1830, 6438), (2146, 5490), (2196, 5365), (2220, 5307), (2257, 5220), (2610, 4514), (2745, 4292), (3219, 3660), (3330, 3538)]