18671680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 48646080

約数和(自身を除く): 29974400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 83, 95, 148, 152, 160, 166, 185, 190, 296, 304, 320, 332, 370, 380, 415, 592, 608, 664, 703, 740, 760, 830, 1184, 1216, 1328, 1406, 1480, 1520, 1577, 1660, 2368, 2656, 2812, 2960, 3040, 3071, 3154, 3320, 3515, 5312, 5624, 5920, 6080, 6142, 6308, 6640, 7030, 7885, 11248, 11840, 12284, 12616, 13280, 14060, 15355, 15770, 22496, 24568, 25232, 26560, 28120, 30710, 31540, 44992, 49136, 50464, 56240, 58349, 61420, 63080, 98272, 100928, 112480, 116698, 122840, 126160, 196544, 224960, 233396, 245680, 252320, 291745, 466792, 491360, 504640, 583490, 933584, 982720, 1166980, 1867168, 2333960, 3734336, 4667920, 9335840, 18671680]

約数ペア:

[(1, 18671680), (2, 9335840), (4, 4667920), (5, 3734336), (8, 2333960), (10, 1867168), (16, 1166980), (19, 982720), (20, 933584), (32, 583490), (37, 504640), (38, 491360), (40, 466792), (64, 291745), (74, 252320), (76, 245680), (80, 233396), (83, 224960), (95, 196544), (148, 126160), (152, 122840), (160, 116698), (166, 112480), (185, 100928), (190, 98272), (296, 63080), (304, 61420), (320, 58349), (332, 56240), (370, 50464), (380, 49136), (415, 44992), (592, 31540), (608, 30710), (664, 28120), (703, 26560), (740, 25232), (760, 24568), (830, 22496), (1184, 15770), (1216, 15355), (1328, 14060), (1406, 13280), (1480, 12616), (1520, 12284), (1577, 11840), (1660, 11248), (2368, 7885), (2656, 7030), (2812, 6640), (2960, 6308), (3040, 6142), (3071, 6080), (3154, 5920), (3320, 5624), (3515, 5312)]