16218540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 38818260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 239, 260, 261, 290, 348, 377, 390, 435, 468, 478, 522, 580, 585, 717, 754, 780, 870, 956, 1044, 1131, 1170, 1195, 1305, 1434, 1508, 1740, 1885, 2151, 2262, 2340, 2390, 2610, 2868, 3107, 3393, 3585, 3770, 4302, 4524, 4780, 5220, 5655, 6214, 6786, 6931, 7170, 7540, 8604, 9321, 10755, 11310, 12428, 13572, 13862, 14340, 15535, 16965, 18642, 20793, 21510, 22620, 27724, 27963, 31070, 33930, 34655, 37284, 41586, 43020, 46605, 55926, 62140, 62379, 67860, 69310, 83172, 90103, 93210, 103965, 111852, 124758, 138620, 139815, 180206, 186420, 207930, 249516, 270309, 279630, 311895, 360412, 415860, 450515, 540618, 559260, 623790, 810927, 901030, 1081236, 1247580, 1351545, 1621854, 1802060, 2703090, 3243708, 4054635, 5406180, 8109270, 16218540]

約数ペア:

[(1, 16218540), (2, 8109270), (3, 5406180), (4, 4054635), (5, 3243708), (6, 2703090), (9, 1802060), (10, 1621854), (12, 1351545), (13, 1247580), (15, 1081236), (18, 901030), (20, 810927), (26, 623790), (29, 559260), (30, 540618), (36, 450515), (39, 415860), (45, 360412), (52, 311895), (58, 279630), (60, 270309), (65, 249516), (78, 207930), (87, 186420), (90, 180206), (116, 139815), (117, 138620), (130, 124758), (145, 111852), (156, 103965), (174, 93210), (180, 90103), (195, 83172), (234, 69310), (239, 67860), (260, 62379), (261, 62140), (290, 55926), (348, 46605), (377, 43020), (390, 41586), (435, 37284), (468, 34655), (478, 33930), (522, 31070), (580, 27963), (585, 27724), (717, 22620), (754, 21510), (780, 20793), (870, 18642), (956, 16965), (1044, 15535), (1131, 14340), (1170, 13862), (1195, 13572), (1305, 12428), (1434, 11310), (1508, 10755), (1740, 9321), (1885, 8604), (2151, 7540), (2262, 7170), (2340, 6931), (2390, 6786), (2610, 6214), (2868, 5655), (3107, 5220), (3393, 4780), (3585, 4524), (3770, 4302)]