247218720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 288

約数和(自身を含む): 947334528

約数和(自身を除く): 700115808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 96, 98, 105, 112, 115, 120, 138, 140, 147, 160, 161, 168, 184, 196, 210, 224, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 457, 460, 480, 483, 490, 552, 560, 588, 644, 672, 690, 735, 736, 784, 805, 840, 914, 920, 966, 980, 1104, 1120, 1127, 1176, 1288, 1371, 1380, 1470, 1568, 1610, 1680, 1828, 1840, 1932, 1960, 2208, 2254, 2285, 2352, 2415, 2576, 2742, 2760, 2940, 3199, 3220, 3360, 3381, 3656, 3680, 3864, 3920, 4508, 4570, 4704, 4830, 5152, 5484, 5520, 5635, 5880, 6398, 6440, 6762, 6855, 7312, 7728, 7840, 9016, 9140, 9597, 9660, 10511, 10968, 11040, 11270, 11760, 12796, 12880, 13524, 13710, 14624, 15456, 15995, 16905, 18032, 18280, 19194, 19320, 21022, 21936, 22393, 22540, 23520, 25592, 25760, 27048, 27420, 31533, 31990, 33810, 36064, 36560, 38388, 38640, 42044, 43872, 44786, 45080, 47985, 51184, 52555, 54096, 54840, 63066, 63980, 67179, 67620, 73120, 73577, 76776, 77280, 84088, 89572, 90160, 95970, 102368, 105110, 108192, 109680, 111965, 126132, 127960, 134358, 135240, 147154, 153552, 157665, 168176, 179144, 180320, 191940, 210220, 219360, 220731, 223930, 252264, 255920, 268716, 270480, 294308, 307104, 315330, 335895, 336352, 358288, 367885, 383880, 420440, 441462, 447860, 504528, 511840, 515039, 537432, 540960, 588616, 630660, 671790, 716576, 735770, 767760, 840880, 882924, 895720, 1009056, 1030078, 1074864, 1103655, 1177232, 1261320, 1343580, 1471540, 1535520, 1545117, 1681760, 1765848, 1791440, 2060156, 2149728, 2207310, 2354464, 2522640, 2575195, 2687160, 2943080, 3090234, 3531696, 3582880, 4120312, 4414620, 5045280, 5150390, 5374320, 5886160, 6180468, 7063392, 7725585, 8240624, 8829240, 10300780, 10748640, 11772320, 12360936, 15451170, 16481248, 17658480, 20601560, 24721872, 30902340, 35316960, 41203120, 49443744, 61804680, 82406240, 123609360, 247218720]

約数ペア:

[(1, 247218720), (2, 123609360), (3, 82406240), (4, 61804680), (5, 49443744), (6, 41203120), (7, 35316960), (8, 30902340), (10, 24721872), (12, 20601560), (14, 17658480), (15, 16481248), (16, 15451170), (20, 12360936), (21, 11772320), (23, 10748640), (24, 10300780), (28, 8829240), (30, 8240624), (32, 7725585), (35, 7063392), (40, 6180468), (42, 5886160), (46, 5374320), (48, 5150390), (49, 5045280), (56, 4414620), (60, 4120312), (69, 3582880), (70, 3531696), (80, 3090234), (84, 2943080), (92, 2687160), (96, 2575195), (98, 2522640), (105, 2354464), (112, 2207310), (115, 2149728), (120, 2060156), (138, 1791440), (140, 1765848), (147, 1681760), (160, 1545117), (161, 1535520), (168, 1471540), (184, 1343580), (196, 1261320), (210, 1177232), (224, 1103655), (230, 1074864), (240, 1030078), (245, 1009056), (276, 895720), (280, 882924), (294, 840880), (322, 767760), (336, 735770), (345, 716576), (368, 671790), (392, 630660), (420, 588616), (457, 540960), (460, 537432), (480, 515039), (483, 511840), (490, 504528), (552, 447860), (560, 441462), (588, 420440), (644, 383880), (672, 367885), (690, 358288), (735, 336352), (736, 335895), (784, 315330), (805, 307104), (840, 294308), (914, 270480), (920, 268716), (966, 255920), (980, 252264), (1104, 223930), (1120, 220731), (1127, 219360), (1176, 210220), (1288, 191940), (1371, 180320), (1380, 179144), (1470, 168176), (1568, 157665), (1610, 153552), (1680, 147154), (1828, 135240), (1840, 134358), (1932, 127960), (1960, 126132), (2208, 111965), (2254, 109680), (2285, 108192), (2352, 105110), (2415, 102368), (2576, 95970), (2742, 90160), (2760, 89572), (2940, 84088), (3199, 77280), (3220, 76776), (3360, 73577), (3381, 73120), (3656, 67620), (3680, 67179), (3864, 63980), (3920, 63066), (4508, 54840), (4570, 54096), (4704, 52555), (4830, 51184), (5152, 47985), (5484, 45080), (5520, 44786), (5635, 43872), (5880, 42044), (6398, 38640), (6440, 38388), (6762, 36560), (6855, 36064), (7312, 33810), (7728, 31990), (7840, 31533), (9016, 27420), (9140, 27048), (9597, 25760), (9660, 25592), (10511, 23520), (10968, 22540), (11040, 22393), (11270, 21936), (11760, 21022), (12796, 19320), (12880, 19194), (13524, 18280), (13710, 18032), (14624, 16905), (15456, 15995)]