80181996

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 205193520

約数和(自身を除く): 125011524

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 372, 409, 527, 818, 961, 1054, 1227, 1581, 1636, 1922, 2108, 2454, 2883, 3162, 3844, 4908, 5766, 6324, 6953, 11532, 12679, 13906, 16337, 20859, 25358, 27812, 32674, 38037, 41718, 49011, 50716, 65348, 76074, 83436, 98022, 152148, 196044, 215543, 393049, 431086, 646629, 786098, 862172, 1179147, 1293258, 1572196, 2358294, 2586516, 4716588, 6681833, 13363666, 20045499, 26727332, 40090998, 80181996]

約数ペア:

[(1, 80181996), (2, 40090998), (3, 26727332), (4, 20045499), (6, 13363666), (12, 6681833), (17, 4716588), (31, 2586516), (34, 2358294), (51, 1572196), (62, 1293258), (68, 1179147), (93, 862172), (102, 786098), (124, 646629), (186, 431086), (204, 393049), (372, 215543), (409, 196044), (527, 152148), (818, 98022), (961, 83436), (1054, 76074), (1227, 65348), (1581, 50716), (1636, 49011), (1922, 41718), (2108, 38037), (2454, 32674), (2883, 27812), (3162, 25358), (3844, 20859), (4908, 16337), (5766, 13906), (6324, 12679), (6953, 11532)]