280661640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 1022976000

約数和(自身を除く): 742314360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 73, 84, 92, 105, 115, 120, 138, 140, 146, 161, 168, 184, 199, 210, 219, 230, 276, 280, 292, 322, 345, 365, 398, 420, 438, 460, 483, 511, 552, 584, 597, 644, 690, 730, 796, 805, 840, 876, 920, 966, 995, 1022, 1095, 1194, 1288, 1380, 1393, 1460, 1533, 1592, 1610, 1679, 1752, 1932, 1990, 2044, 2190, 2388, 2415, 2555, 2760, 2786, 2920, 2985, 3066, 3220, 3358, 3864, 3980, 4088, 4179, 4380, 4577, 4776, 4830, 5037, 5110, 5572, 5970, 6132, 6440, 6716, 6965, 7665, 7960, 8358, 8395, 8760, 9154, 9660, 10074, 10220, 11144, 11753, 11940, 12264, 13432, 13731, 13930, 14527, 15330, 16716, 16790, 18308, 19320, 20148, 20440, 20895, 22885, 23506, 23880, 25185, 27462, 27860, 29054, 30660, 32039, 33432, 33580, 35259, 36616, 40296, 41790, 43581, 45770, 47012, 50370, 54924, 55720, 58108, 58765, 61320, 64078, 67160, 68655, 70518, 72635, 83580, 87162, 91540, 94024, 96117, 100740, 101689, 109848, 116216, 117530, 128156, 137310, 141036, 145270, 160195, 167160, 174324, 176295, 183080, 192234, 201480, 203378, 217905, 235060, 256312, 274620, 282072, 290540, 305067, 320390, 334121, 348648, 352590, 384468, 406756, 435810, 470120, 480585, 508445, 549240, 581080, 610134, 640780, 668242, 705180, 768936, 813512, 871620, 961170, 1002363, 1016890, 1220268, 1281560, 1336484, 1410360, 1525335, 1670605, 1743240, 1922340, 2004726, 2033780, 2338847, 2440536, 2672968, 3050670, 3341210, 3844680, 4009452, 4067560, 4677694, 5011815, 6101340, 6682420, 7016541, 8018904, 9355388, 10023630, 11694235, 12202680, 13364840, 14033082, 18710776, 20047260, 23388470, 28066164, 35082705, 40094520, 46776940, 56132328, 70165410, 93553880, 140330820, 280661640]

約数ペア:

[(1, 280661640), (2, 140330820), (3, 93553880), (4, 70165410), (5, 56132328), (6, 46776940), (7, 40094520), (8, 35082705), (10, 28066164), (12, 23388470), (14, 20047260), (15, 18710776), (20, 14033082), (21, 13364840), (23, 12202680), (24, 11694235), (28, 10023630), (30, 9355388), (35, 8018904), (40, 7016541), (42, 6682420), (46, 6101340), (56, 5011815), (60, 4677694), (69, 4067560), (70, 4009452), (73, 3844680), (84, 3341210), (92, 3050670), (105, 2672968), (115, 2440536), (120, 2338847), (138, 2033780), (140, 2004726), (146, 1922340), (161, 1743240), (168, 1670605), (184, 1525335), (199, 1410360), (210, 1336484), (219, 1281560), (230, 1220268), (276, 1016890), (280, 1002363), (292, 961170), (322, 871620), (345, 813512), (365, 768936), (398, 705180), (420, 668242), (438, 640780), (460, 610134), (483, 581080), (511, 549240), (552, 508445), (584, 480585), (597, 470120), (644, 435810), (690, 406756), (730, 384468), (796, 352590), (805, 348648), (840, 334121), (876, 320390), (920, 305067), (966, 290540), (995, 282072), (1022, 274620), (1095, 256312), (1194, 235060), (1288, 217905), (1380, 203378), (1393, 201480), (1460, 192234), (1533, 183080), (1592, 176295), (1610, 174324), (1679, 167160), (1752, 160195), (1932, 145270), (1990, 141036), (2044, 137310), (2190, 128156), (2388, 117530), (2415, 116216), (2555, 109848), (2760, 101689), (2786, 100740), (2920, 96117), (2985, 94024), (3066, 91540), (3220, 87162), (3358, 83580), (3864, 72635), (3980, 70518), (4088, 68655), (4179, 67160), (4380, 64078), (4577, 61320), (4776, 58765), (4830, 58108), (5037, 55720), (5110, 54924), (5572, 50370), (5970, 47012), (6132, 45770), (6440, 43581), (6716, 41790), (6965, 40296), (7665, 36616), (7960, 35259), (8358, 33580), (8395, 33432), (8760, 32039), (9154, 30660), (9660, 29054), (10074, 27860), (10220, 27462), (11144, 25185), (11753, 23880), (11940, 23506), (12264, 22885), (13432, 20895), (13731, 20440), (13930, 20148), (14527, 19320), (15330, 18308), (16716, 16790)]