215971920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{33329}}^1$

素因数の和:33354

約数の個数: 100

約数和(自身を含む): 750124980

約数和(自身を除く): 534153060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 33329, 66658, 99987, 133316, 166645, 199974, 266632, 299961, 333290, 399948, 499935, 533264, 599922, 666580, 799896, 899883, 999870, 1199844, 1333160, 1499805, 1599792, 1799766, 1999740, 2399688, 2666320, 2699649, 2999610, 3599532, 3999480, 4499415, 4799376, 5399298, 5999220, 7199064, 7998960, 8998830, 10798596, 11998440, 13498245, 14398128, 17997660, 21597192, 23996880, 26996490, 35995320, 43194384, 53992980, 71990640, 107985960, 215971920]

約数ペア:

[(1, 215971920), (2, 107985960), (3, 71990640), (4, 53992980), (5, 43194384), (6, 35995320), (8, 26996490), (9, 23996880), (10, 21597192), (12, 17997660), (15, 14398128), (16, 13498245), (18, 11998440), (20, 10798596), (24, 8998830), (27, 7998960), (30, 7199064), (36, 5999220), (40, 5399298), (45, 4799376), (48, 4499415), (54, 3999480), (60, 3599532), (72, 2999610), (80, 2699649), (81, 2666320), (90, 2399688), (108, 1999740), (120, 1799766), (135, 1599792), (144, 1499805), (162, 1333160), (180, 1199844), (216, 999870), (240, 899883), (270, 799896), (324, 666580), (360, 599922), (405, 533264), (432, 499935), (540, 399948), (648, 333290), (720, 299961), (810, 266632), (1080, 199974), (1296, 166645), (1620, 133316), (2160, 99987), (3240, 66658), (6480, 33329)]