15723120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 57139200

約数和(自身を除く): 41416080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 191, 196, 210, 240, 245, 280, 294, 336, 343, 382, 392, 420, 490, 560, 573, 588, 686, 735, 764, 784, 840, 955, 980, 1029, 1146, 1176, 1337, 1372, 1470, 1528, 1680, 1715, 1910, 1960, 2058, 2292, 2352, 2674, 2744, 2865, 2940, 3056, 3430, 3820, 3920, 4011, 4116, 4584, 5145, 5348, 5488, 5730, 5880, 6685, 6860, 7640, 8022, 8232, 9168, 9359, 10290, 10696, 11460, 11760, 13370, 13720, 15280, 16044, 16464, 18718, 20055, 20580, 21392, 22920, 26740, 27440, 28077, 32088, 37436, 40110, 41160, 45840, 46795, 53480, 56154, 64176, 65513, 74872, 80220, 82320, 93590, 106960, 112308, 131026, 140385, 149744, 160440, 187180, 196539, 224616, 262052, 280770, 320880, 327565, 374360, 393078, 449232, 524104, 561540, 655130, 748720, 786156, 982695, 1048208, 1123080, 1310260, 1572312, 1965390, 2246160, 2620520, 3144624, 3930780, 5241040, 7861560, 15723120]

約数ペア:

[(1, 15723120), (2, 7861560), (3, 5241040), (4, 3930780), (5, 3144624), (6, 2620520), (7, 2246160), (8, 1965390), (10, 1572312), (12, 1310260), (14, 1123080), (15, 1048208), (16, 982695), (20, 786156), (21, 748720), (24, 655130), (28, 561540), (30, 524104), (35, 449232), (40, 393078), (42, 374360), (48, 327565), (49, 320880), (56, 280770), (60, 262052), (70, 224616), (80, 196539), (84, 187180), (98, 160440), (105, 149744), (112, 140385), (120, 131026), (140, 112308), (147, 106960), (168, 93590), (191, 82320), (196, 80220), (210, 74872), (240, 65513), (245, 64176), (280, 56154), (294, 53480), (336, 46795), (343, 45840), (382, 41160), (392, 40110), (420, 37436), (490, 32088), (560, 28077), (573, 27440), (588, 26740), (686, 22920), (735, 21392), (764, 20580), (784, 20055), (840, 18718), (955, 16464), (980, 16044), (1029, 15280), (1146, 13720), (1176, 13370), (1337, 11760), (1372, 11460), (1470, 10696), (1528, 10290), (1680, 9359), (1715, 9168), (1910, 8232), (1960, 8022), (2058, 7640), (2292, 6860), (2352, 6685), (2674, 5880), (2744, 5730), (2865, 5488), (2940, 5348), (3056, 5145), (3430, 4584), (3820, 4116), (3920, 4011)]