1638923880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1459}}^1$

素因数の和:1544

約数の個数: 256

約数和(自身を含む): 5752166400

約数和(自身を除く): 4113242520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 37, 40, 44, 46, 55, 60, 66, 69, 74, 88, 92, 110, 111, 115, 120, 132, 138, 148, 165, 184, 185, 220, 222, 230, 253, 264, 276, 296, 330, 345, 370, 407, 440, 444, 460, 506, 552, 555, 660, 690, 740, 759, 814, 851, 888, 920, 1012, 1110, 1221, 1265, 1320, 1380, 1459, 1480, 1518, 1628, 1702, 2024, 2035, 2220, 2442, 2530, 2553, 2760, 2918, 3036, 3256, 3404, 3795, 4070, 4255, 4377, 4440, 4884, 5060, 5106, 5836, 6072, 6105, 6808, 7295, 7590, 8140, 8510, 8754, 9361, 9768, 10120, 10212, 11672, 12210, 12765, 14590, 15180, 16049, 16280, 17020, 17508, 18722, 20424, 21885, 24420, 25530, 28083, 29180, 30360, 32098, 33557, 34040, 35016, 37444, 43770, 46805, 48147, 48840, 51060, 53983, 56166, 58360, 64196, 67114, 74888, 80245, 87540, 93610, 96294, 100671, 102120, 107966, 112332, 128392, 134228, 140415, 160490, 161949, 167785, 175080, 187220, 192588, 201342, 215932, 224664, 240735, 268456, 269915, 280830, 320980, 323898, 335570, 369127, 374440, 385176, 402684, 431864, 481470, 503355, 539830, 561660, 593813, 641960, 647796, 671140, 738254, 805368, 809745, 962940, 1006710, 1079660, 1107381, 1123320, 1187626, 1241609, 1295592, 1342280, 1476508, 1619490, 1781439, 1845635, 1925880, 2013420, 2159320, 2214762, 2375252, 2483218, 2953016, 2969065, 3238980, 3562878, 3691270, 3724827, 4026840, 4429524, 4750504, 4966436, 5536905, 5938130, 6208045, 6477960, 7125756, 7382540, 7449654, 8859048, 8907195, 9932872, 11073810, 11876260, 12416090, 13657699, 14251512, 14765080, 14899308, 17814390, 18624135, 22147620, 23752520, 24832180, 27315398, 29798616, 35628780, 37248270, 40973097, 44295240, 49664360, 54630796, 68288495, 71257560, 74496540, 81946194, 109261592, 136576990, 148993080, 163892388, 204865485, 273153980, 327784776, 409730970, 546307960, 819461940, 1638923880]

約数ペア:

[(1, 1638923880), (2, 819461940), (3, 546307960), (4, 409730970), (5, 327784776), (6, 273153980), (8, 204865485), (10, 163892388), (11, 148993080), (12, 136576990), (15, 109261592), (20, 81946194), (22, 74496540), (23, 71257560), (24, 68288495), (30, 54630796), (33, 49664360), (37, 44295240), (40, 40973097), (44, 37248270), (46, 35628780), (55, 29798616), (60, 27315398), (66, 24832180), (69, 23752520), (74, 22147620), (88, 18624135), (92, 17814390), (110, 14899308), (111, 14765080), (115, 14251512), (120, 13657699), (132, 12416090), (138, 11876260), (148, 11073810), (165, 9932872), (184, 8907195), (185, 8859048), (220, 7449654), (222, 7382540), (230, 7125756), (253, 6477960), (264, 6208045), (276, 5938130), (296, 5536905), (330, 4966436), (345, 4750504), (370, 4429524), (407, 4026840), (440, 3724827), (444, 3691270), (460, 3562878), (506, 3238980), (552, 2969065), (555, 2953016), (660, 2483218), (690, 2375252), (740, 2214762), (759, 2159320), (814, 2013420), (851, 1925880), (888, 1845635), (920, 1781439), (1012, 1619490), (1110, 1476508), (1221, 1342280), (1265, 1295592), (1320, 1241609), (1380, 1187626), (1459, 1123320), (1480, 1107381), (1518, 1079660), (1628, 1006710), (1702, 962940), (2024, 809745), (2035, 805368), (2220, 738254), (2442, 671140), (2530, 647796), (2553, 641960), (2760, 593813), (2918, 561660), (3036, 539830), (3256, 503355), (3404, 481470), (3795, 431864), (4070, 402684), (4255, 385176), (4377, 374440), (4440, 369127), (4884, 335570), (5060, 323898), (5106, 320980), (5836, 280830), (6072, 269915), (6105, 268456), (6808, 240735), (7295, 224664), (7590, 215932), (8140, 201342), (8510, 192588), (8754, 187220), (9361, 175080), (9768, 167785), (10120, 161949), (10212, 160490), (11672, 140415), (12210, 134228), (12765, 128392), (14590, 112332), (15180, 107966), (16049, 102120), (16280, 100671), (17020, 96294), (17508, 93610), (18722, 87540), (20424, 80245), (21885, 74888), (24420, 67114), (25530, 64196), (28083, 58360), (29180, 56166), (30360, 53983), (32098, 51060), (33557, 48840), (34040, 48147), (35016, 46805), (37444, 43770)]