1561241640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 256

約数和(自身を含む): 5547294720

約数和(自身を除く): 3986053080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 191, 210, 222, 259, 263, 280, 296, 370, 382, 420, 444, 518, 526, 555, 573, 740, 764, 777, 789, 840, 888, 955, 1036, 1052, 1110, 1146, 1295, 1315, 1337, 1480, 1528, 1554, 1578, 1841, 1910, 2072, 2104, 2220, 2292, 2590, 2630, 2674, 2865, 3108, 3156, 3682, 3820, 3885, 3945, 4011, 4440, 4584, 5180, 5260, 5348, 5523, 5730, 6216, 6312, 6685, 7067, 7364, 7640, 7770, 7890, 8022, 9205, 9731, 10360, 10520, 10696, 11046, 11460, 13370, 14134, 14728, 15540, 15780, 16044, 18410, 19462, 20055, 21201, 22092, 22920, 26740, 27615, 28268, 29193, 31080, 31560, 32088, 35335, 36820, 38924, 40110, 42402, 44184, 48655, 49469, 50233, 53480, 55230, 56536, 58386, 68117, 70670, 73640, 77848, 80220, 84804, 97310, 98938, 100466, 106005, 110460, 116772, 136234, 141340, 145965, 148407, 150699, 160440, 169608, 194620, 197876, 200932, 204351, 212010, 220920, 233544, 247345, 251165, 272468, 282680, 291930, 296814, 301398, 340585, 351631, 389240, 395752, 401864, 408702, 424020, 494690, 502330, 544936, 583860, 593628, 602796, 681170, 703262, 742035, 753495, 817404, 848040, 989380, 1004660, 1021755, 1054893, 1167720, 1187256, 1205592, 1362340, 1406524, 1484070, 1506990, 1634808, 1758155, 1858621, 1978760, 2009320, 2043510, 2109786, 2724680, 2813048, 2968140, 3013980, 3516310, 3717242, 4087020, 4219572, 5274465, 5575863, 5936280, 6027960, 7032620, 7434484, 8174040, 8439144, 9293105, 10548930, 11151726, 13010347, 14065240, 14868968, 18586210, 21097860, 22303452, 26020694, 27879315, 37172420, 39031041, 42195720, 44606904, 52041388, 55758630, 65051735, 74344840, 78062082, 104082776, 111517260, 130103470, 156124164, 195155205, 223034520, 260206940, 312248328, 390310410, 520413880, 780620820, 1561241640]

約数ペア:

[(1, 1561241640), (2, 780620820), (3, 520413880), (4, 390310410), (5, 312248328), (6, 260206940), (7, 223034520), (8, 195155205), (10, 156124164), (12, 130103470), (14, 111517260), (15, 104082776), (20, 78062082), (21, 74344840), (24, 65051735), (28, 55758630), (30, 52041388), (35, 44606904), (37, 42195720), (40, 39031041), (42, 37172420), (56, 27879315), (60, 26020694), (70, 22303452), (74, 21097860), (84, 18586210), (105, 14868968), (111, 14065240), (120, 13010347), (140, 11151726), (148, 10548930), (168, 9293105), (185, 8439144), (191, 8174040), (210, 7434484), (222, 7032620), (259, 6027960), (263, 5936280), (280, 5575863), (296, 5274465), (370, 4219572), (382, 4087020), (420, 3717242), (444, 3516310), (518, 3013980), (526, 2968140), (555, 2813048), (573, 2724680), (740, 2109786), (764, 2043510), (777, 2009320), (789, 1978760), (840, 1858621), (888, 1758155), (955, 1634808), (1036, 1506990), (1052, 1484070), (1110, 1406524), (1146, 1362340), (1295, 1205592), (1315, 1187256), (1337, 1167720), (1480, 1054893), (1528, 1021755), (1554, 1004660), (1578, 989380), (1841, 848040), (1910, 817404), (2072, 753495), (2104, 742035), (2220, 703262), (2292, 681170), (2590, 602796), (2630, 593628), (2674, 583860), (2865, 544936), (3108, 502330), (3156, 494690), (3682, 424020), (3820, 408702), (3885, 401864), (3945, 395752), (4011, 389240), (4440, 351631), (4584, 340585), (5180, 301398), (5260, 296814), (5348, 291930), (5523, 282680), (5730, 272468), (6216, 251165), (6312, 247345), (6685, 233544), (7067, 220920), (7364, 212010), (7640, 204351), (7770, 200932), (7890, 197876), (8022, 194620), (9205, 169608), (9731, 160440), (10360, 150699), (10520, 148407), (10696, 145965), (11046, 141340), (11460, 136234), (13370, 116772), (14134, 110460), (14728, 106005), (15540, 100466), (15780, 98938), (16044, 97310), (18410, 84804), (19462, 80220), (20055, 77848), (21201, 73640), (22092, 70670), (22920, 68117), (26740, 58386), (27615, 56536), (28268, 55230), (29193, 53480), (31080, 50233), (31560, 49469), (32088, 48655), (35335, 44184), (36820, 42402), (38924, 40110)]