40185720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 160

約数和(自身を含む): 137649600

約数和(自身を除く): 97463880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 157, 158, 162, 180, 216, 237, 270, 314, 316, 324, 360, 395, 405, 471, 474, 540, 628, 632, 648, 711, 785, 790, 810, 942, 948, 1080, 1185, 1256, 1413, 1422, 1570, 1580, 1620, 1884, 1896, 2133, 2355, 2370, 2826, 2844, 3140, 3160, 3240, 3555, 3768, 4239, 4266, 4710, 4740, 5652, 5688, 6280, 6399, 7065, 7110, 8478, 8532, 9420, 9480, 10665, 11304, 12403, 12717, 12798, 14130, 14220, 16956, 17064, 18840, 21195, 21330, 24806, 25434, 25596, 28260, 28440, 31995, 33912, 37209, 42390, 42660, 49612, 50868, 51192, 56520, 62015, 63585, 63990, 74418, 84780, 85320, 99224, 101736, 111627, 124030, 127170, 127980, 148836, 169560, 186045, 223254, 248060, 254340, 255960, 297672, 334881, 372090, 446508, 496120, 508680, 558135, 669762, 744180, 893016, 1004643, 1116270, 1339524, 1488360, 1674405, 2009286, 2232540, 2679048, 3348810, 4018572, 4465080, 5023215, 6697620, 8037144, 10046430, 13395240, 20092860, 40185720]

約数ペア:

[(1, 40185720), (2, 20092860), (3, 13395240), (4, 10046430), (5, 8037144), (6, 6697620), (8, 5023215), (9, 4465080), (10, 4018572), (12, 3348810), (15, 2679048), (18, 2232540), (20, 2009286), (24, 1674405), (27, 1488360), (30, 1339524), (36, 1116270), (40, 1004643), (45, 893016), (54, 744180), (60, 669762), (72, 558135), (79, 508680), (81, 496120), (90, 446508), (108, 372090), (120, 334881), (135, 297672), (157, 255960), (158, 254340), (162, 248060), (180, 223254), (216, 186045), (237, 169560), (270, 148836), (314, 127980), (316, 127170), (324, 124030), (360, 111627), (395, 101736), (405, 99224), (471, 85320), (474, 84780), (540, 74418), (628, 63990), (632, 63585), (648, 62015), (711, 56520), (785, 51192), (790, 50868), (810, 49612), (942, 42660), (948, 42390), (1080, 37209), (1185, 33912), (1256, 31995), (1413, 28440), (1422, 28260), (1570, 25596), (1580, 25434), (1620, 24806), (1884, 21330), (1896, 21195), (2133, 18840), (2355, 17064), (2370, 16956), (2826, 14220), (2844, 14130), (3140, 12798), (3160, 12717), (3240, 12403), (3555, 11304), (3768, 10665), (4239, 9480), (4266, 9420), (4710, 8532), (4740, 8478), (5652, 7110), (5688, 7065), (6280, 6399)]