55042740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 175816872

約数和(自身を除く): 120774132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 557, 610, 732, 810, 915, 1098, 1114, 1220, 1620, 1647, 1671, 1830, 2196, 2228, 2745, 2785, 3294, 3342, 3660, 4941, 5013, 5490, 5570, 6588, 6684, 8235, 8355, 9882, 10026, 10980, 11140, 15039, 16470, 16710, 19764, 20052, 24705, 25065, 30078, 32940, 33420, 33977, 45117, 49410, 50130, 60156, 67954, 75195, 90234, 98820, 100260, 101931, 135908, 150390, 169885, 180468, 203862, 225585, 300780, 305793, 339770, 407724, 451170, 509655, 611586, 679540, 902340, 917379, 1019310, 1223172, 1528965, 1834758, 2038620, 2752137, 3057930, 3669516, 4586895, 5504274, 6115860, 9173790, 11008548, 13760685, 18347580, 27521370, 55042740]

約数ペア:

[(1, 55042740), (2, 27521370), (3, 18347580), (4, 13760685), (5, 11008548), (6, 9173790), (9, 6115860), (10, 5504274), (12, 4586895), (15, 3669516), (18, 3057930), (20, 2752137), (27, 2038620), (30, 1834758), (36, 1528965), (45, 1223172), (54, 1019310), (60, 917379), (61, 902340), (81, 679540), (90, 611586), (108, 509655), (122, 451170), (135, 407724), (162, 339770), (180, 305793), (183, 300780), (244, 225585), (270, 203862), (305, 180468), (324, 169885), (366, 150390), (405, 135908), (540, 101931), (549, 100260), (557, 98820), (610, 90234), (732, 75195), (810, 67954), (915, 60156), (1098, 50130), (1114, 49410), (1220, 45117), (1620, 33977), (1647, 33420), (1671, 32940), (1830, 30078), (2196, 25065), (2228, 24705), (2745, 20052), (2785, 19764), (3294, 16710), (3342, 16470), (3660, 15039), (4941, 11140), (5013, 10980), (5490, 10026), (5570, 9882), (6588, 8355), (6684, 8235)]