123228540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 415910880

約数和(自身を除く): 292682340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 43, 45, 54, 58, 60, 61, 81, 86, 87, 90, 108, 116, 122, 129, 135, 145, 162, 172, 174, 180, 183, 215, 244, 258, 261, 270, 290, 305, 324, 348, 366, 387, 405, 430, 435, 516, 522, 540, 549, 580, 610, 645, 732, 774, 783, 810, 860, 870, 915, 1044, 1098, 1161, 1220, 1247, 1290, 1305, 1548, 1566, 1620, 1647, 1740, 1769, 1830, 1935, 2196, 2322, 2349, 2494, 2580, 2610, 2623, 2745, 3132, 3294, 3483, 3538, 3660, 3741, 3870, 3915, 4644, 4698, 4941, 4988, 5220, 5246, 5307, 5490, 5805, 6235, 6588, 6966, 7076, 7482, 7740, 7830, 7869, 8235, 8845, 9396, 9882, 10492, 10614, 10980, 11223, 11610, 11745, 12470, 13115, 13932, 14964, 15660, 15738, 15921, 16470, 17415, 17690, 18705, 19764, 21228, 22446, 23220, 23490, 23607, 24705, 24940, 26230, 26535, 31476, 31842, 32940, 33669, 34830, 35380, 37410, 39345, 44892, 46980, 47214, 47763, 49410, 52460, 53070, 56115, 63684, 67338, 69660, 70821, 74820, 76067, 78690, 79605, 94428, 95526, 98820, 101007, 106140, 112230, 118035, 134676, 141642, 143289, 152134, 157380, 159210, 168345, 191052, 202014, 212463, 224460, 228201, 236070, 238815, 283284, 286578, 304268, 318420, 336690, 354105, 380335, 404028, 424926, 456402, 472140, 477630, 505035, 573156, 673380, 684603, 708210, 716445, 760670, 849852, 912804, 955260, 1010070, 1062315, 1141005, 1369206, 1416420, 1432890, 1521340, 2020140, 2053809, 2124630, 2282010, 2738412, 2865780, 3423015, 4107618, 4249260, 4564020, 6161427, 6846030, 8215236, 10269045, 12322854, 13692060, 20538090, 24645708, 30807135, 41076180, 61614270, 123228540]

約数ペア:

[(1, 123228540), (2, 61614270), (3, 41076180), (4, 30807135), (5, 24645708), (6, 20538090), (9, 13692060), (10, 12322854), (12, 10269045), (15, 8215236), (18, 6846030), (20, 6161427), (27, 4564020), (29, 4249260), (30, 4107618), (36, 3423015), (43, 2865780), (45, 2738412), (54, 2282010), (58, 2124630), (60, 2053809), (61, 2020140), (81, 1521340), (86, 1432890), (87, 1416420), (90, 1369206), (108, 1141005), (116, 1062315), (122, 1010070), (129, 955260), (135, 912804), (145, 849852), (162, 760670), (172, 716445), (174, 708210), (180, 684603), (183, 673380), (215, 573156), (244, 505035), (258, 477630), (261, 472140), (270, 456402), (290, 424926), (305, 404028), (324, 380335), (348, 354105), (366, 336690), (387, 318420), (405, 304268), (430, 286578), (435, 283284), (516, 238815), (522, 236070), (540, 228201), (549, 224460), (580, 212463), (610, 202014), (645, 191052), (732, 168345), (774, 159210), (783, 157380), (810, 152134), (860, 143289), (870, 141642), (915, 134676), (1044, 118035), (1098, 112230), (1161, 106140), (1220, 101007), (1247, 98820), (1290, 95526), (1305, 94428), (1548, 79605), (1566, 78690), (1620, 76067), (1647, 74820), (1740, 70821), (1769, 69660), (1830, 67338), (1935, 63684), (2196, 56115), (2322, 53070), (2349, 52460), (2494, 49410), (2580, 47763), (2610, 47214), (2623, 46980), (2745, 44892), (3132, 39345), (3294, 37410), (3483, 35380), (3538, 34830), (3660, 33669), (3741, 32940), (3870, 31842), (3915, 31476), (4644, 26535), (4698, 26230), (4941, 24940), (4988, 24705), (5220, 23607), (5246, 23490), (5307, 23220), (5490, 22446), (5805, 21228), (6235, 19764), (6588, 18705), (6966, 17690), (7076, 17415), (7482, 16470), (7740, 15921), (7830, 15738), (7869, 15660), (8235, 14964), (8845, 13932), (9396, 13115), (9882, 12470), (10492, 11745), (10614, 11610), (10980, 11223)]