154767920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 397983456

約数和(自身を除く): 243215536

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 233, 304, 361, 368, 380, 437, 460, 466, 722, 760, 874, 920, 932, 1165, 1444, 1520, 1748, 1805, 1840, 1864, 2185, 2330, 2888, 3496, 3610, 3728, 4370, 4427, 4660, 5359, 5776, 6992, 7220, 8303, 8740, 8854, 9320, 10718, 14440, 16606, 17480, 17708, 18640, 21436, 22135, 26795, 28880, 33212, 34960, 35416, 41515, 42872, 44270, 53590, 66424, 70832, 83030, 84113, 85744, 88540, 101821, 107180, 132848, 166060, 168226, 177080, 203642, 214360, 332120, 336452, 354160, 407284, 420565, 428720, 509105, 664240, 672904, 814568, 841130, 1018210, 1345808, 1629136, 1682260, 1934599, 2036420, 3364520, 3869198, 4072840, 6729040, 7738396, 8145680, 9672995, 15476792, 19345990, 30953584, 38691980, 77383960, 154767920]

約数ペア:

[(1, 154767920), (2, 77383960), (4, 38691980), (5, 30953584), (8, 19345990), (10, 15476792), (16, 9672995), (19, 8145680), (20, 7738396), (23, 6729040), (38, 4072840), (40, 3869198), (46, 3364520), (76, 2036420), (80, 1934599), (92, 1682260), (95, 1629136), (115, 1345808), (152, 1018210), (184, 841130), (190, 814568), (230, 672904), (233, 664240), (304, 509105), (361, 428720), (368, 420565), (380, 407284), (437, 354160), (460, 336452), (466, 332120), (722, 214360), (760, 203642), (874, 177080), (920, 168226), (932, 166060), (1165, 132848), (1444, 107180), (1520, 101821), (1748, 88540), (1805, 85744), (1840, 84113), (1864, 83030), (2185, 70832), (2330, 66424), (2888, 53590), (3496, 44270), (3610, 42872), (3728, 41515), (4370, 35416), (4427, 34960), (4660, 33212), (5359, 28880), (5776, 26795), (6992, 22135), (7220, 21436), (8303, 18640), (8740, 17708), (8854, 17480), (9320, 16606), (10718, 14440)]