84445240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 136185800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 41, 44, 55, 62, 82, 88, 110, 124, 151, 155, 164, 205, 220, 248, 302, 310, 328, 341, 410, 440, 451, 604, 620, 682, 755, 820, 902, 1208, 1240, 1271, 1364, 1510, 1640, 1661, 1705, 1804, 2255, 2542, 2728, 3020, 3322, 3410, 3608, 4510, 4681, 5084, 6040, 6191, 6355, 6644, 6820, 8305, 9020, 9362, 10168, 12382, 12710, 13288, 13640, 13981, 16610, 18040, 18724, 23405, 24764, 25420, 27962, 30955, 33220, 37448, 46810, 49528, 50840, 51491, 55924, 61910, 66440, 68101, 69905, 93620, 102982, 111848, 123820, 136202, 139810, 187240, 191921, 205964, 247640, 257455, 272404, 279620, 340505, 383842, 411928, 514910, 544808, 559240, 681010, 767684, 959605, 1029820, 1362020, 1535368, 1919210, 2059640, 2111131, 2724040, 3838420, 4222262, 7676840, 8444524, 10555655, 16889048, 21111310, 42222620, 84445240]

約数ペア:

[(1, 84445240), (2, 42222620), (4, 21111310), (5, 16889048), (8, 10555655), (10, 8444524), (11, 7676840), (20, 4222262), (22, 3838420), (31, 2724040), (40, 2111131), (41, 2059640), (44, 1919210), (55, 1535368), (62, 1362020), (82, 1029820), (88, 959605), (110, 767684), (124, 681010), (151, 559240), (155, 544808), (164, 514910), (205, 411928), (220, 383842), (248, 340505), (302, 279620), (310, 272404), (328, 257455), (341, 247640), (410, 205964), (440, 191921), (451, 187240), (604, 139810), (620, 136202), (682, 123820), (755, 111848), (820, 102982), (902, 93620), (1208, 69905), (1240, 68101), (1271, 66440), (1364, 61910), (1510, 55924), (1640, 51491), (1661, 50840), (1705, 49528), (1804, 46810), (2255, 37448), (2542, 33220), (2728, 30955), (3020, 27962), (3322, 25420), (3410, 24764), (3608, 23405), (4510, 18724), (4681, 18040), (5084, 16610), (6040, 13981), (6191, 13640), (6355, 13288), (6644, 12710), (6820, 12382), (8305, 10168), (9020, 9362)]