55007820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 192628800

約数和(自身を除く): 137620980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 293, 298, 315, 420, 447, 586, 596, 630, 745, 879, 894, 1043, 1172, 1260, 1341, 1465, 1490, 1758, 1788, 2051, 2086, 2235, 2637, 2682, 2930, 2980, 3129, 3516, 4102, 4172, 4395, 4470, 5215, 5274, 5364, 5860, 6153, 6258, 6705, 8204, 8790, 8940, 9387, 10255, 10430, 10548, 12306, 12516, 13185, 13410, 15645, 17580, 18459, 18774, 20510, 20860, 24612, 26370, 26820, 30765, 31290, 36918, 37548, 41020, 43657, 46935, 52740, 61530, 62580, 73836, 87314, 92295, 93870, 123060, 130971, 174628, 184590, 187740, 218285, 261942, 305599, 369180, 392913, 436570, 523884, 611198, 654855, 785826, 873140, 916797, 1222396, 1309710, 1527995, 1571652, 1833594, 1964565, 2619420, 2750391, 3055990, 3667188, 3929130, 4583985, 5500782, 6111980, 7858260, 9167970, 11001564, 13751955, 18335940, 27503910, 55007820]

約数ペア:

[(1, 55007820), (2, 27503910), (3, 18335940), (4, 13751955), (5, 11001564), (6, 9167970), (7, 7858260), (9, 6111980), (10, 5500782), (12, 4583985), (14, 3929130), (15, 3667188), (18, 3055990), (20, 2750391), (21, 2619420), (28, 1964565), (30, 1833594), (35, 1571652), (36, 1527995), (42, 1309710), (45, 1222396), (60, 916797), (63, 873140), (70, 785826), (84, 654855), (90, 611198), (105, 523884), (126, 436570), (140, 392913), (149, 369180), (180, 305599), (210, 261942), (252, 218285), (293, 187740), (298, 184590), (315, 174628), (420, 130971), (447, 123060), (586, 93870), (596, 92295), (630, 87314), (745, 73836), (879, 62580), (894, 61530), (1043, 52740), (1172, 46935), (1260, 43657), (1341, 41020), (1465, 37548), (1490, 36918), (1758, 31290), (1788, 30765), (2051, 26820), (2086, 26370), (2235, 24612), (2637, 20860), (2682, 20510), (2930, 18774), (2980, 18459), (3129, 17580), (3516, 15645), (4102, 13410), (4172, 13185), (4395, 12516), (4470, 12306), (5215, 10548), (5274, 10430), (5364, 10255), (5860, 9387), (6153, 8940), (6258, 8790), (6705, 8204)]