81395928

素因数分解:

$2^3\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2206

約数の個数: 80

約数和(自身を含む): 231957000

約数和(自身を除く): 150561072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 81, 108, 118, 162, 177, 216, 236, 324, 354, 472, 531, 648, 708, 1062, 1416, 1593, 2124, 2129, 3186, 4248, 4258, 4779, 6372, 6387, 8516, 9558, 12744, 12774, 17032, 19116, 19161, 25548, 38232, 38322, 51096, 57483, 76644, 114966, 125611, 153288, 172449, 229932, 251222, 344898, 376833, 459864, 502444, 689796, 753666, 1004888, 1130499, 1379592, 1507332, 2260998, 3014664, 3391497, 4521996, 6782994, 9043992, 10174491, 13565988, 20348982, 27131976, 40697964, 81395928]

約数ペア:

[(1, 81395928), (2, 40697964), (3, 27131976), (4, 20348982), (6, 13565988), (8, 10174491), (9, 9043992), (12, 6782994), (18, 4521996), (24, 3391497), (27, 3014664), (36, 2260998), (54, 1507332), (59, 1379592), (72, 1130499), (81, 1004888), (108, 753666), (118, 689796), (162, 502444), (177, 459864), (216, 376833), (236, 344898), (324, 251222), (354, 229932), (472, 172449), (531, 153288), (648, 125611), (708, 114966), (1062, 76644), (1416, 57483), (1593, 51096), (2124, 38322), (2129, 38232), (3186, 25548), (4248, 19161), (4258, 19116), (4779, 17032), (6372, 12774), (6387, 12744), (8516, 9558)]