74686720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 195733440

約数和(自身を除く): 121046720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 83, 95, 128, 148, 152, 160, 166, 185, 190, 256, 296, 304, 320, 332, 370, 380, 415, 592, 608, 640, 664, 703, 740, 760, 830, 1184, 1216, 1280, 1328, 1406, 1480, 1520, 1577, 1660, 2368, 2432, 2656, 2812, 2960, 3040, 3071, 3154, 3320, 3515, 4736, 4864, 5312, 5624, 5920, 6080, 6142, 6308, 6640, 7030, 7885, 9472, 10624, 11248, 11840, 12160, 12284, 12616, 13280, 14060, 15355, 15770, 21248, 22496, 23680, 24320, 24568, 25232, 26560, 28120, 30710, 31540, 44992, 47360, 49136, 50464, 53120, 56240, 58349, 61420, 63080, 89984, 98272, 100928, 106240, 112480, 116698, 122840, 126160, 179968, 196544, 201856, 224960, 233396, 245680, 252320, 291745, 393088, 403712, 449920, 466792, 491360, 504640, 583490, 786176, 899840, 933584, 982720, 1009280, 1166980, 1867168, 1965440, 2018560, 2333960, 3734336, 3930880, 4667920, 7468672, 9335840, 14937344, 18671680, 37343360, 74686720]

約数ペア:

[(1, 74686720), (2, 37343360), (4, 18671680), (5, 14937344), (8, 9335840), (10, 7468672), (16, 4667920), (19, 3930880), (20, 3734336), (32, 2333960), (37, 2018560), (38, 1965440), (40, 1867168), (64, 1166980), (74, 1009280), (76, 982720), (80, 933584), (83, 899840), (95, 786176), (128, 583490), (148, 504640), (152, 491360), (160, 466792), (166, 449920), (185, 403712), (190, 393088), (256, 291745), (296, 252320), (304, 245680), (320, 233396), (332, 224960), (370, 201856), (380, 196544), (415, 179968), (592, 126160), (608, 122840), (640, 116698), (664, 112480), (703, 106240), (740, 100928), (760, 98272), (830, 89984), (1184, 63080), (1216, 61420), (1280, 58349), (1328, 56240), (1406, 53120), (1480, 50464), (1520, 49136), (1577, 47360), (1660, 44992), (2368, 31540), (2432, 30710), (2656, 28120), (2812, 26560), (2960, 25232), (3040, 24568), (3071, 24320), (3154, 23680), (3320, 22496), (3515, 21248), (4736, 15770), (4864, 15355), (5312, 14060), (5624, 13280), (5920, 12616), (6080, 12284), (6142, 12160), (6308, 11840), (6640, 11248), (7030, 10624), (7885, 9472)]