391929840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20189

約数の個数: 120

約数和(自身を含む): 1365048048

約数和(自身を除く): 973118208

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 20161, 40322, 60483, 80644, 100805, 120966, 161288, 181449, 201610, 241932, 302415, 322576, 362898, 403220, 483864, 544347, 604830, 725796, 806440, 907245, 967728, 1088694, 1209660, 1451592, 1612880, 1633041, 1814490, 2177388, 2419320, 2721735, 2903184, 3266082, 3628980, 4354776, 4838640, 4899123, 5443470, 6532164, 7257960, 8165205, 8709552, 9798246, 10886940, 13064328, 14515920, 16330410, 19596492, 21773880, 24495615, 26128656, 32660820, 39192984, 43547760, 48991230, 65321640, 78385968, 97982460, 130643280, 195964920, 391929840]

約数ペア:

[(1, 391929840), (2, 195964920), (3, 130643280), (4, 97982460), (5, 78385968), (6, 65321640), (8, 48991230), (9, 43547760), (10, 39192984), (12, 32660820), (15, 26128656), (16, 24495615), (18, 21773880), (20, 19596492), (24, 16330410), (27, 14515920), (30, 13064328), (36, 10886940), (40, 9798246), (45, 8709552), (48, 8165205), (54, 7257960), (60, 6532164), (72, 5443470), (80, 4899123), (81, 4838640), (90, 4354776), (108, 3628980), (120, 3266082), (135, 2903184), (144, 2721735), (162, 2419320), (180, 2177388), (216, 1814490), (240, 1633041), (243, 1612880), (270, 1451592), (324, 1209660), (360, 1088694), (405, 967728), (432, 907245), (486, 806440), (540, 725796), (648, 604830), (720, 544347), (810, 483864), (972, 403220), (1080, 362898), (1215, 322576), (1296, 302415), (1620, 241932), (1944, 201610), (2160, 181449), (2430, 161288), (3240, 120966), (3888, 100805), (4860, 80644), (6480, 60483), (9720, 40322), (19440, 20161)]