640207932

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1468

約数の個数: 144

約数和(自身を含む): 1903440672

約数和(自身を除く): 1263232740

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 61, 78, 84, 91, 98, 122, 147, 156, 182, 183, 196, 244, 273, 294, 364, 366, 427, 546, 588, 637, 732, 793, 854, 1092, 1274, 1281, 1373, 1586, 1708, 1911, 2379, 2548, 2562, 2746, 2989, 3172, 3822, 4119, 4758, 5124, 5492, 5551, 5978, 7644, 8238, 8967, 9516, 9611, 11102, 11956, 16476, 16653, 17849, 17934, 19222, 22204, 28833, 33306, 35698, 35868, 38444, 38857, 53547, 57666, 66612, 67277, 71396, 77714, 83753, 107094, 115332, 116571, 124943, 134554, 155428, 167506, 201831, 214188, 233142, 249886, 251259, 269108, 335012, 374829, 403662, 466284, 499772, 502518, 586271, 749658, 807324, 874601, 1005036, 1088789, 1172542, 1499316, 1749202, 1758813, 2177578, 2345084, 2623803, 3266367, 3498404, 3517626, 4103897, 4355156, 5247606, 6532734, 7035252, 7621523, 8207794, 10495212, 12311691, 13065468, 15243046, 16415588, 22864569, 24623382, 30486092, 45729138, 49246764, 53350661, 91458276, 106701322, 160051983, 213402644, 320103966, 640207932]

約数ペア:

[(1, 640207932), (2, 320103966), (3, 213402644), (4, 160051983), (6, 106701322), (7, 91458276), (12, 53350661), (13, 49246764), (14, 45729138), (21, 30486092), (26, 24623382), (28, 22864569), (39, 16415588), (42, 15243046), (49, 13065468), (52, 12311691), (61, 10495212), (78, 8207794), (84, 7621523), (91, 7035252), (98, 6532734), (122, 5247606), (147, 4355156), (156, 4103897), (182, 3517626), (183, 3498404), (196, 3266367), (244, 2623803), (273, 2345084), (294, 2177578), (364, 1758813), (366, 1749202), (427, 1499316), (546, 1172542), (588, 1088789), (637, 1005036), (732, 874601), (793, 807324), (854, 749658), (1092, 586271), (1274, 502518), (1281, 499772), (1373, 466284), (1586, 403662), (1708, 374829), (1911, 335012), (2379, 269108), (2548, 251259), (2562, 249886), (2746, 233142), (2989, 214188), (3172, 201831), (3822, 167506), (4119, 155428), (4758, 134554), (5124, 124943), (5492, 116571), (5551, 115332), (5978, 107094), (7644, 83753), (8238, 77714), (8967, 71396), (9516, 67277), (9611, 66612), (11102, 57666), (11956, 53547), (16476, 38857), (16653, 38444), (17849, 35868), (17934, 35698), (19222, 33306), (22204, 28833)]