7219240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 20736000

約数和(自身を除く): 13516760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 59, 70, 76, 92, 95, 115, 118, 133, 140, 152, 161, 184, 190, 230, 236, 266, 280, 295, 322, 380, 413, 437, 460, 472, 532, 590, 644, 665, 760, 805, 826, 874, 920, 1064, 1121, 1180, 1288, 1330, 1357, 1610, 1652, 1748, 2065, 2185, 2242, 2360, 2660, 2714, 3059, 3220, 3304, 3496, 4130, 4370, 4484, 5320, 5428, 5605, 6118, 6440, 6785, 7847, 8260, 8740, 8968, 9499, 10856, 11210, 12236, 13570, 15295, 15694, 16520, 17480, 18998, 22420, 24472, 25783, 27140, 30590, 31388, 37996, 39235, 44840, 47495, 51566, 54280, 61180, 62776, 75992, 78470, 94990, 103132, 122360, 128915, 156940, 180481, 189980, 206264, 257830, 313880, 360962, 379960, 515660, 721924, 902405, 1031320, 1443848, 1804810, 3609620, 7219240]

約数ペア:

[(1, 7219240), (2, 3609620), (4, 1804810), (5, 1443848), (7, 1031320), (8, 902405), (10, 721924), (14, 515660), (19, 379960), (20, 360962), (23, 313880), (28, 257830), (35, 206264), (38, 189980), (40, 180481), (46, 156940), (56, 128915), (59, 122360), (70, 103132), (76, 94990), (92, 78470), (95, 75992), (115, 62776), (118, 61180), (133, 54280), (140, 51566), (152, 47495), (161, 44840), (184, 39235), (190, 37996), (230, 31388), (236, 30590), (266, 27140), (280, 25783), (295, 24472), (322, 22420), (380, 18998), (413, 17480), (437, 16520), (460, 15694), (472, 15295), (532, 13570), (590, 12236), (644, 11210), (665, 10856), (760, 9499), (805, 8968), (826, 8740), (874, 8260), (920, 7847), (1064, 6785), (1121, 6440), (1180, 6118), (1288, 5605), (1330, 5428), (1357, 5320), (1610, 4484), (1652, 4370), (1748, 4130), (2065, 3496), (2185, 3304), (2242, 3220), (2360, 3059), (2660, 2714)]