15974420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 45045504

約数和(自身を除く): 29071084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 41, 44, 46, 55, 70, 77, 82, 92, 110, 115, 121, 140, 154, 161, 164, 205, 220, 230, 242, 253, 287, 308, 322, 385, 410, 451, 460, 484, 506, 574, 605, 644, 770, 805, 820, 847, 902, 943, 1012, 1148, 1210, 1265, 1435, 1540, 1610, 1694, 1771, 1804, 1886, 2255, 2420, 2530, 2783, 2870, 3157, 3220, 3388, 3542, 3772, 4235, 4510, 4715, 4961, 5060, 5566, 5740, 6314, 6601, 7084, 8470, 8855, 9020, 9430, 9922, 10373, 11132, 12628, 13202, 13915, 15785, 16940, 17710, 18860, 19481, 19844, 20746, 24805, 26404, 27830, 31570, 33005, 34727, 35420, 38962, 41492, 49610, 51865, 55660, 63140, 66010, 69454, 72611, 77924, 97405, 99220, 103730, 114103, 132020, 138908, 145222, 173635, 194810, 207460, 228206, 290444, 347270, 363055, 389620, 456412, 570515, 694540, 726110, 798721, 1141030, 1452220, 1597442, 2282060, 3194884, 3993605, 7987210, 15974420]

約数ペア:

[(1, 15974420), (2, 7987210), (4, 3993605), (5, 3194884), (7, 2282060), (10, 1597442), (11, 1452220), (14, 1141030), (20, 798721), (22, 726110), (23, 694540), (28, 570515), (35, 456412), (41, 389620), (44, 363055), (46, 347270), (55, 290444), (70, 228206), (77, 207460), (82, 194810), (92, 173635), (110, 145222), (115, 138908), (121, 132020), (140, 114103), (154, 103730), (161, 99220), (164, 97405), (205, 77924), (220, 72611), (230, 69454), (242, 66010), (253, 63140), (287, 55660), (308, 51865), (322, 49610), (385, 41492), (410, 38962), (451, 35420), (460, 34727), (484, 33005), (506, 31570), (574, 27830), (605, 26404), (644, 24805), (770, 20746), (805, 19844), (820, 19481), (847, 18860), (902, 17710), (943, 16940), (1012, 15785), (1148, 13915), (1210, 13202), (1265, 12628), (1435, 11132), (1540, 10373), (1610, 9922), (1694, 9430), (1771, 9020), (1804, 8855), (1886, 8470), (2255, 7084), (2420, 6601), (2530, 6314), (2783, 5740), (2870, 5566), (3157, 5060), (3220, 4961), (3388, 4715), (3542, 4510), (3772, 4235)]