1220239872

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 240

約数和(自身を含む): 3838729752

約数和(自身を除く): 2618489880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 37, 48, 51, 64, 68, 72, 74, 96, 102, 111, 128, 136, 144, 148, 153, 192, 204, 222, 256, 272, 288, 296, 306, 333, 384, 408, 421, 444, 512, 544, 576, 592, 612, 629, 666, 768, 816, 842, 888, 1088, 1152, 1184, 1224, 1258, 1263, 1332, 1536, 1632, 1684, 1776, 1887, 2176, 2304, 2368, 2448, 2516, 2526, 2664, 3264, 3368, 3552, 3774, 3789, 4352, 4608, 4736, 4896, 5032, 5052, 5328, 5661, 6528, 6736, 7104, 7157, 7548, 7578, 8704, 9472, 9792, 10064, 10104, 10656, 11322, 13056, 13472, 14208, 14314, 15096, 15156, 15577, 18944, 19584, 20128, 20208, 21312, 21471, 22644, 26112, 26944, 28416, 28628, 30192, 30312, 31154, 39168, 40256, 40416, 42624, 42942, 45288, 46731, 53888, 56832, 57256, 60384, 60624, 62308, 64413, 78336, 80512, 80832, 85248, 85884, 90576, 93462, 107776, 114512, 120768, 121248, 124616, 128826, 140193, 161024, 161664, 170496, 171768, 181152, 186924, 215552, 229024, 241536, 242496, 249232, 257652, 264809, 280386, 322048, 323328, 343536, 362304, 373848, 458048, 483072, 484992, 498464, 515304, 529618, 560772, 646656, 687072, 724608, 747696, 794427, 916096, 966144, 969984, 996928, 1030608, 1059236, 1121544, 1374144, 1449216, 1495392, 1588854, 1832192, 1939968, 1993856, 2061216, 2118472, 2243088, 2383281, 2748288, 2898432, 2990784, 3177708, 3664384, 3987712, 4122432, 4236944, 4486176, 4766562, 5496576, 5981568, 6355416, 7975424, 8244864, 8473888, 8972352, 9533124, 10993152, 11963136, 12710832, 16489728, 16947776, 17944704, 19066248, 23926272, 25421664, 32979456, 33895552, 35889408, 38132496, 50843328, 67791104, 71778816, 76264992, 101686656, 135582208, 152529984, 203373312, 305059968, 406746624, 610119936, 1220239872]

約数ペア:

[(1, 1220239872), (2, 610119936), (3, 406746624), (4, 305059968), (6, 203373312), (8, 152529984), (9, 135582208), (12, 101686656), (16, 76264992), (17, 71778816), (18, 67791104), (24, 50843328), (32, 38132496), (34, 35889408), (36, 33895552), (37, 32979456), (48, 25421664), (51, 23926272), (64, 19066248), (68, 17944704), (72, 16947776), (74, 16489728), (96, 12710832), (102, 11963136), (111, 10993152), (128, 9533124), (136, 8972352), (144, 8473888), (148, 8244864), (153, 7975424), (192, 6355416), (204, 5981568), (222, 5496576), (256, 4766562), (272, 4486176), (288, 4236944), (296, 4122432), (306, 3987712), (333, 3664384), (384, 3177708), (408, 2990784), (421, 2898432), (444, 2748288), (512, 2383281), (544, 2243088), (576, 2118472), (592, 2061216), (612, 1993856), (629, 1939968), (666, 1832192), (768, 1588854), (816, 1495392), (842, 1449216), (888, 1374144), (1088, 1121544), (1152, 1059236), (1184, 1030608), (1224, 996928), (1258, 969984), (1263, 966144), (1332, 916096), (1536, 794427), (1632, 747696), (1684, 724608), (1776, 687072), (1887, 646656), (2176, 560772), (2304, 529618), (2368, 515304), (2448, 498464), (2516, 484992), (2526, 483072), (2664, 458048), (3264, 373848), (3368, 362304), (3552, 343536), (3774, 323328), (3789, 322048), (4352, 280386), (4608, 264809), (4736, 257652), (4896, 249232), (5032, 242496), (5052, 241536), (5328, 229024), (5661, 215552), (6528, 186924), (6736, 181152), (7104, 171768), (7157, 170496), (7548, 161664), (7578, 161024), (8704, 140193), (9472, 128826), (9792, 124616), (10064, 121248), (10104, 120768), (10656, 114512), (11322, 107776), (13056, 93462), (13472, 90576), (14208, 85884), (14314, 85248), (15096, 80832), (15156, 80512), (15577, 78336), (18944, 64413), (19584, 62308), (20128, 60624), (20208, 60384), (21312, 57256), (21471, 56832), (22644, 53888), (26112, 46731), (26944, 45288), (28416, 42942), (28628, 42624), (30192, 40416), (30312, 40256), (31154, 39168)]