645918624

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 240

約数和(自身を含む): 2119498920

約数和(自身を除く): 1473580296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 29, 32, 36, 39, 48, 52, 54, 58, 72, 78, 81, 87, 96, 104, 108, 116, 117, 144, 156, 162, 174, 208, 216, 232, 234, 261, 288, 312, 324, 348, 351, 377, 416, 432, 464, 468, 522, 624, 648, 661, 696, 702, 754, 783, 864, 928, 936, 1044, 1053, 1131, 1248, 1296, 1322, 1392, 1404, 1508, 1566, 1872, 1983, 2088, 2106, 2262, 2349, 2592, 2644, 2784, 2808, 3016, 3132, 3393, 3744, 3966, 4176, 4212, 4524, 4698, 5288, 5616, 5949, 6032, 6264, 6786, 7932, 8352, 8424, 8593, 9048, 9396, 10179, 10576, 11232, 11898, 12064, 12528, 13572, 15864, 16848, 17186, 17847, 18096, 18792, 19169, 20358, 21152, 23796, 25056, 25779, 27144, 30537, 31728, 33696, 34372, 35694, 36192, 37584, 38338, 40716, 47592, 51558, 53541, 54288, 57507, 61074, 63456, 68744, 71388, 75168, 76676, 77337, 81432, 95184, 103116, 107082, 108576, 115014, 122148, 137488, 142776, 153352, 154674, 162864, 172521, 190368, 206232, 214164, 230028, 232011, 244296, 249197, 274976, 285552, 306704, 309348, 325728, 345042, 412464, 428328, 460056, 464022, 488592, 498394, 517563, 571104, 613408, 618696, 690084, 696033, 747591, 824928, 856656, 920112, 928044, 977184, 996788, 1035126, 1237392, 1380168, 1392066, 1495182, 1552689, 1713312, 1840224, 1856088, 1993576, 2070252, 2242773, 2474784, 2760336, 2784132, 2990364, 3105378, 3712176, 3987152, 4140504, 4485546, 5520672, 5568264, 5980728, 6210756, 6728319, 7424352, 7974304, 8281008, 8971092, 11136528, 11961456, 12421512, 13456638, 16562016, 17942184, 20184957, 22273056, 23922912, 24843024, 26913276, 35884368, 40369914, 49686048, 53826552, 71768736, 80739828, 107653104, 161479656, 215306208, 322959312, 645918624]

約数ペア:

[(1, 645918624), (2, 322959312), (3, 215306208), (4, 161479656), (6, 107653104), (8, 80739828), (9, 71768736), (12, 53826552), (13, 49686048), (16, 40369914), (18, 35884368), (24, 26913276), (26, 24843024), (27, 23922912), (29, 22273056), (32, 20184957), (36, 17942184), (39, 16562016), (48, 13456638), (52, 12421512), (54, 11961456), (58, 11136528), (72, 8971092), (78, 8281008), (81, 7974304), (87, 7424352), (96, 6728319), (104, 6210756), (108, 5980728), (116, 5568264), (117, 5520672), (144, 4485546), (156, 4140504), (162, 3987152), (174, 3712176), (208, 3105378), (216, 2990364), (232, 2784132), (234, 2760336), (261, 2474784), (288, 2242773), (312, 2070252), (324, 1993576), (348, 1856088), (351, 1840224), (377, 1713312), (416, 1552689), (432, 1495182), (464, 1392066), (468, 1380168), (522, 1237392), (624, 1035126), (648, 996788), (661, 977184), (696, 928044), (702, 920112), (754, 856656), (783, 824928), (864, 747591), (928, 696033), (936, 690084), (1044, 618696), (1053, 613408), (1131, 571104), (1248, 517563), (1296, 498394), (1322, 488592), (1392, 464022), (1404, 460056), (1508, 428328), (1566, 412464), (1872, 345042), (1983, 325728), (2088, 309348), (2106, 306704), (2262, 285552), (2349, 274976), (2592, 249197), (2644, 244296), (2784, 232011), (2808, 230028), (3016, 214164), (3132, 206232), (3393, 190368), (3744, 172521), (3966, 162864), (4176, 154674), (4212, 153352), (4524, 142776), (4698, 137488), (5288, 122148), (5616, 115014), (5949, 108576), (6032, 107082), (6264, 103116), (6786, 95184), (7932, 81432), (8352, 77337), (8424, 76676), (8593, 75168), (9048, 71388), (9396, 68744), (10179, 63456), (10576, 61074), (11232, 57507), (11898, 54288), (12064, 53541), (12528, 51558), (13572, 47592), (15864, 40716), (16848, 38338), (17186, 37584), (17847, 36192), (18096, 35694), (18792, 34372), (19169, 33696), (20358, 31728), (21152, 30537), (23796, 27144), (25056, 25779)]