15978228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 45045504

約数和(自身を除く): 29067276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 53, 74, 84, 97, 106, 111, 148, 159, 194, 212, 222, 259, 291, 318, 371, 388, 444, 518, 582, 636, 679, 742, 777, 1036, 1113, 1164, 1358, 1484, 1554, 1961, 2037, 2226, 2716, 3108, 3589, 3922, 4074, 4452, 5141, 5883, 7178, 7844, 8148, 10282, 10767, 11766, 13727, 14356, 15423, 20564, 21534, 23532, 25123, 27454, 30846, 35987, 41181, 43068, 50246, 54908, 61692, 71974, 75369, 82362, 100492, 107961, 143948, 150738, 164724, 190217, 215922, 301476, 380434, 431844, 570651, 760868, 1141302, 1331519, 2282604, 2663038, 3994557, 5326076, 7989114, 15978228]

約数ペア:

[(1, 15978228), (2, 7989114), (3, 5326076), (4, 3994557), (6, 2663038), (7, 2282604), (12, 1331519), (14, 1141302), (21, 760868), (28, 570651), (37, 431844), (42, 380434), (53, 301476), (74, 215922), (84, 190217), (97, 164724), (106, 150738), (111, 143948), (148, 107961), (159, 100492), (194, 82362), (212, 75369), (222, 71974), (259, 61692), (291, 54908), (318, 50246), (371, 43068), (388, 41181), (444, 35987), (518, 30846), (582, 27454), (636, 25123), (679, 23532), (742, 21534), (777, 20564), (1036, 15423), (1113, 14356), (1164, 13727), (1358, 11766), (1484, 10767), (1554, 10282), (1961, 8148), (2037, 7844), (2226, 7178), (2716, 5883), (3108, 5141), (3589, 4452), (3922, 4074)]