220123680

素因数分解:

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

素因数の和:237

約数の個数: 240

約数和(自身を含む): 813141504

約数和(自身を除く): 593017824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 191, 196, 210, 224, 240, 245, 280, 294, 336, 343, 382, 392, 420, 480, 490, 560, 573, 588, 672, 686, 735, 764, 784, 840, 955, 980, 1029, 1120, 1146, 1176, 1337, 1372, 1470, 1528, 1568, 1680, 1715, 1910, 1960, 2058, 2292, 2352, 2401, 2674, 2744, 2865, 2940, 3056, 3360, 3430, 3820, 3920, 4011, 4116, 4584, 4704, 4802, 5145, 5348, 5488, 5730, 5880, 6112, 6685, 6860, 7203, 7640, 7840, 8022, 8232, 9168, 9359, 9604, 10290, 10696, 10976, 11460, 11760, 12005, 13370, 13720, 14406, 15280, 16044, 16464, 18336, 18718, 19208, 20055, 20580, 21392, 22920, 23520, 24010, 26740, 27440, 28077, 28812, 30560, 32088, 32928, 36015, 37436, 38416, 40110, 41160, 42784, 45840, 46795, 48020, 53480, 54880, 56154, 57624, 64176, 65513, 72030, 74872, 76832, 80220, 82320, 91680, 93590, 96040, 106960, 112308, 115248, 128352, 131026, 140385, 144060, 149744, 160440, 164640, 187180, 192080, 196539, 213920, 224616, 230496, 262052, 280770, 288120, 299488, 320880, 327565, 374360, 384160, 393078, 449232, 458591, 524104, 561540, 576240, 641760, 655130, 748720, 786156, 898464, 917182, 982695, 1048208, 1123080, 1152480, 1310260, 1375773, 1497440, 1572312, 1834364, 1965390, 2096416, 2246160, 2292955, 2620520, 2751546, 3144624, 3668728, 3930780, 4492320, 4585910, 5241040, 5503092, 6289248, 6878865, 7337456, 7861560, 9171820, 10482080, 11006184, 13757730, 14674912, 15723120, 18343640, 22012368, 27515460, 31446240, 36687280, 44024736, 55030920, 73374560, 110061840, 220123680]

約数ペア:

[(1, 220123680), (2, 110061840), (3, 73374560), (4, 55030920), (5, 44024736), (6, 36687280), (7, 31446240), (8, 27515460), (10, 22012368), (12, 18343640), (14, 15723120), (15, 14674912), (16, 13757730), (20, 11006184), (21, 10482080), (24, 9171820), (28, 7861560), (30, 7337456), (32, 6878865), (35, 6289248), (40, 5503092), (42, 5241040), (48, 4585910), (49, 4492320), (56, 3930780), (60, 3668728), (70, 3144624), (80, 2751546), (84, 2620520), (96, 2292955), (98, 2246160), (105, 2096416), (112, 1965390), (120, 1834364), (140, 1572312), (147, 1497440), (160, 1375773), (168, 1310260), (191, 1152480), (196, 1123080), (210, 1048208), (224, 982695), (240, 917182), (245, 898464), (280, 786156), (294, 748720), (336, 655130), (343, 641760), (382, 576240), (392, 561540), (420, 524104), (480, 458591), (490, 449232), (560, 393078), (573, 384160), (588, 374360), (672, 327565), (686, 320880), (735, 299488), (764, 288120), (784, 280770), (840, 262052), (955, 230496), (980, 224616), (1029, 213920), (1120, 196539), (1146, 192080), (1176, 187180), (1337, 164640), (1372, 160440), (1470, 149744), (1528, 144060), (1568, 140385), (1680, 131026), (1715, 128352), (1910, 115248), (1960, 112308), (2058, 106960), (2292, 96040), (2352, 93590), (2401, 91680), (2674, 82320), (2744, 80220), (2865, 76832), (2940, 74872), (3056, 72030), (3360, 65513), (3430, 64176), (3820, 57624), (3920, 56154), (4011, 54880), (4116, 53480), (4584, 48020), (4704, 46795), (4802, 45840), (5145, 42784), (5348, 41160), (5488, 40110), (5730, 38416), (5880, 37436), (6112, 36015), (6685, 32928), (6860, 32088), (7203, 30560), (7640, 28812), (7840, 28077), (8022, 27440), (8232, 26740), (9168, 24010), (9359, 23520), (9604, 22920), (10290, 21392), (10696, 20580), (10976, 20055), (11460, 19208), (11760, 18718), (12005, 18336), (13370, 16464), (13720, 16044), (14406, 15280)]