212958840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 729907200

約数和(自身を除く): 516948360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 31, 38, 40, 46, 57, 60, 62, 69, 76, 92, 93, 95, 114, 115, 120, 124, 131, 138, 152, 155, 184, 186, 190, 228, 230, 248, 262, 276, 285, 310, 345, 372, 380, 393, 437, 456, 460, 465, 524, 552, 570, 589, 620, 655, 690, 713, 744, 760, 786, 874, 920, 930, 1048, 1140, 1178, 1240, 1310, 1311, 1380, 1426, 1572, 1748, 1767, 1860, 1965, 2139, 2185, 2280, 2356, 2489, 2620, 2622, 2760, 2852, 2945, 3013, 3144, 3496, 3534, 3565, 3720, 3930, 4061, 4278, 4370, 4712, 4978, 5240, 5244, 5704, 5890, 6026, 6555, 7068, 7130, 7467, 7860, 8122, 8556, 8740, 8835, 9039, 9956, 10488, 10695, 11780, 12052, 12183, 12445, 13110, 13547, 14136, 14260, 14934, 15065, 15720, 16244, 17112, 17480, 17670, 18078, 19912, 20305, 21390, 23560, 24104, 24366, 24890, 26220, 27094, 28520, 29868, 30130, 32488, 35340, 36156, 37335, 40610, 40641, 42780, 45195, 48732, 49780, 52440, 54188, 57247, 59736, 60260, 60915, 67735, 70680, 72312, 74670, 77159, 81220, 81282, 85560, 90390, 93403, 97464, 99560, 108376, 114494, 120520, 121830, 135470, 149340, 154318, 162440, 162564, 171741, 180780, 186806, 203205, 228988, 231477, 243660, 270940, 280209, 286235, 298680, 308636, 325128, 343482, 361560, 373612, 385795, 406410, 457976, 462954, 467015, 487320, 541880, 560418, 572470, 617272, 686964, 747224, 771590, 812820, 858705, 925908, 934030, 1120836, 1144940, 1157385, 1373928, 1401045, 1543180, 1625640, 1717410, 1774657, 1851816, 1868060, 2241672, 2289880, 2314770, 2802090, 3086360, 3434820, 3549314, 3736120, 4629540, 5323971, 5604180, 6869640, 7098628, 8873285, 9259080, 10647942, 11208360, 14197256, 17746570, 21295884, 26619855, 35493140, 42591768, 53239710, 70986280, 106479420, 212958840]

約数ペア:

[(1, 212958840), (2, 106479420), (3, 70986280), (4, 53239710), (5, 42591768), (6, 35493140), (8, 26619855), (10, 21295884), (12, 17746570), (15, 14197256), (19, 11208360), (20, 10647942), (23, 9259080), (24, 8873285), (30, 7098628), (31, 6869640), (38, 5604180), (40, 5323971), (46, 4629540), (57, 3736120), (60, 3549314), (62, 3434820), (69, 3086360), (76, 2802090), (92, 2314770), (93, 2289880), (95, 2241672), (114, 1868060), (115, 1851816), (120, 1774657), (124, 1717410), (131, 1625640), (138, 1543180), (152, 1401045), (155, 1373928), (184, 1157385), (186, 1144940), (190, 1120836), (228, 934030), (230, 925908), (248, 858705), (262, 812820), (276, 771590), (285, 747224), (310, 686964), (345, 617272), (372, 572470), (380, 560418), (393, 541880), (437, 487320), (456, 467015), (460, 462954), (465, 457976), (524, 406410), (552, 385795), (570, 373612), (589, 361560), (620, 343482), (655, 325128), (690, 308636), (713, 298680), (744, 286235), (760, 280209), (786, 270940), (874, 243660), (920, 231477), (930, 228988), (1048, 203205), (1140, 186806), (1178, 180780), (1240, 171741), (1310, 162564), (1311, 162440), (1380, 154318), (1426, 149340), (1572, 135470), (1748, 121830), (1767, 120520), (1860, 114494), (1965, 108376), (2139, 99560), (2185, 97464), (2280, 93403), (2356, 90390), (2489, 85560), (2620, 81282), (2622, 81220), (2760, 77159), (2852, 74670), (2945, 72312), (3013, 70680), (3144, 67735), (3496, 60915), (3534, 60260), (3565, 59736), (3720, 57247), (3930, 54188), (4061, 52440), (4278, 49780), (4370, 48732), (4712, 45195), (4978, 42780), (5240, 40641), (5244, 40610), (5704, 37335), (5890, 36156), (6026, 35340), (6555, 32488), (7068, 30130), (7130, 29868), (7467, 28520), (7860, 27094), (8122, 26220), (8556, 24890), (8740, 24366), (8835, 24104), (9039, 23560), (9956, 21390), (10488, 20305), (10695, 19912), (11780, 18078), (12052, 17670), (12183, 17480), (12445, 17112), (13110, 16244), (13547, 15720), (14136, 15065), (14260, 14934)]