218369520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 779950080

約数和(自身を除く): 561580560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 239, 240, 243, 270, 282, 324, 360, 376, 405, 423, 432, 470, 478, 486, 540, 564, 648, 705, 717, 720, 752, 810, 846, 940, 956, 972, 1080, 1128, 1195, 1215, 1269, 1296, 1410, 1434, 1620, 1692, 1880, 1912, 1944, 2115, 2151, 2160, 2256, 2390, 2430, 2538, 2820, 2868, 3240, 3384, 3585, 3760, 3807, 3824, 3888, 4230, 4302, 4780, 4860, 5076, 5640, 5736, 6345, 6453, 6480, 6768, 7170, 7614, 8460, 8604, 9560, 9720, 10152, 10755, 11233, 11280, 11421, 11472, 12690, 12906, 14340, 15228, 16920, 17208, 19035, 19120, 19359, 19440, 20304, 21510, 22466, 22842, 25380, 25812, 28680, 30456, 32265, 33699, 33840, 34416, 38070, 38718, 43020, 44932, 45684, 50760, 51624, 56165, 57105, 57360, 58077, 60912, 64530, 67398, 76140, 77436, 86040, 89864, 91368, 96795, 101097, 101520, 103248, 112330, 114210, 116154, 129060, 134796, 152280, 154872, 168495, 172080, 179728, 182736, 193590, 202194, 224660, 228420, 232308, 258120, 269592, 290385, 303291, 304560, 309744, 336990, 387180, 404388, 449320, 456840, 464616, 505485, 516240, 539184, 580770, 606582, 673980, 774360, 808776, 898640, 909873, 913680, 929232, 1010970, 1161540, 1213164, 1347960, 1516455, 1548720, 1617552, 1819746, 2021940, 2323080, 2426328, 2695920, 2729619, 3032910, 3639492, 4043880, 4549365, 4646160, 4852656, 5459238, 6065820, 7278984, 8087760, 9098730, 10918476, 12131640, 13648095, 14557968, 18197460, 21836952, 24263280, 27296190, 36394920, 43673904, 54592380, 72789840, 109184760, 218369520]

約数ペア:

[(1, 218369520), (2, 109184760), (3, 72789840), (4, 54592380), (5, 43673904), (6, 36394920), (8, 27296190), (9, 24263280), (10, 21836952), (12, 18197460), (15, 14557968), (16, 13648095), (18, 12131640), (20, 10918476), (24, 9098730), (27, 8087760), (30, 7278984), (36, 6065820), (40, 5459238), (45, 4852656), (47, 4646160), (48, 4549365), (54, 4043880), (60, 3639492), (72, 3032910), (80, 2729619), (81, 2695920), (90, 2426328), (94, 2323080), (108, 2021940), (120, 1819746), (135, 1617552), (141, 1548720), (144, 1516455), (162, 1347960), (180, 1213164), (188, 1161540), (216, 1010970), (235, 929232), (239, 913680), (240, 909873), (243, 898640), (270, 808776), (282, 774360), (324, 673980), (360, 606582), (376, 580770), (405, 539184), (423, 516240), (432, 505485), (470, 464616), (478, 456840), (486, 449320), (540, 404388), (564, 387180), (648, 336990), (705, 309744), (717, 304560), (720, 303291), (752, 290385), (810, 269592), (846, 258120), (940, 232308), (956, 228420), (972, 224660), (1080, 202194), (1128, 193590), (1195, 182736), (1215, 179728), (1269, 172080), (1296, 168495), (1410, 154872), (1434, 152280), (1620, 134796), (1692, 129060), (1880, 116154), (1912, 114210), (1944, 112330), (2115, 103248), (2151, 101520), (2160, 101097), (2256, 96795), (2390, 91368), (2430, 89864), (2538, 86040), (2820, 77436), (2868, 76140), (3240, 67398), (3384, 64530), (3585, 60912), (3760, 58077), (3807, 57360), (3824, 57105), (3888, 56165), (4230, 51624), (4302, 50760), (4780, 45684), (4860, 44932), (5076, 43020), (5640, 38718), (5736, 38070), (6345, 34416), (6453, 33840), (6480, 33699), (6768, 32265), (7170, 30456), (7614, 28680), (8460, 25812), (8604, 25380), (9560, 22842), (9720, 22466), (10152, 21510), (10755, 20304), (11233, 19440), (11280, 19359), (11421, 19120), (11472, 19035), (12690, 17208), (12906, 16920), (14340, 15228)]