1810720912

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 240

約数和(自身を含む): 4958682624

約数和(自身を除く): 3147961712

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 44, 49, 52, 56, 62, 77, 88, 91, 98, 104, 112, 124, 143, 154, 176, 182, 196, 208, 217, 248, 286, 308, 341, 364, 392, 403, 434, 496, 521, 539, 572, 616, 637, 682, 728, 784, 806, 868, 1001, 1042, 1078, 1144, 1232, 1274, 1364, 1456, 1519, 1612, 1736, 2002, 2084, 2156, 2288, 2387, 2548, 2728, 2821, 3038, 3224, 3472, 3647, 4004, 4168, 4312, 4433, 4774, 5096, 5456, 5642, 5731, 6076, 6448, 6773, 7007, 7294, 8008, 8336, 8624, 8866, 9548, 10192, 11284, 11462, 12152, 13546, 14014, 14588, 16016, 16151, 16709, 17732, 19096, 19747, 22568, 22924, 24304, 25529, 27092, 28028, 29176, 31031, 32302, 33418, 35464, 38192, 39494, 40117, 45136, 45848, 47411, 51058, 54184, 56056, 58352, 62062, 64604, 66836, 70928, 74503, 78988, 80234, 91696, 94822, 102116, 108368, 112112, 113057, 124124, 129208, 133672, 149006, 157976, 160468, 177661, 189644, 204232, 209963, 217217, 226114, 248248, 258416, 267344, 280819, 298012, 315952, 320936, 331877, 355322, 379288, 408464, 419926, 434434, 452228, 496496, 521521, 561638, 596024, 641872, 663754, 710644, 758576, 791399, 839852, 868868, 904456, 1043042, 1123276, 1192048, 1243627, 1327508, 1421288, 1469741, 1582798, 1679704, 1737736, 1808912, 2086084, 2246552, 2309593, 2487254, 2655016, 2842576, 2939482, 3165596, 3359408, 3475472, 3650647, 4172168, 4493104, 4619186, 4974508, 5310032, 5878964, 6331192, 7301294, 8344336, 8705389, 9238372, 9949016, 10288187, 11757928, 12662384, 14602588, 16167151, 17410778, 18476744, 19898032, 20576374, 23515856, 29205176, 32334302, 34821556, 36953488, 41152748, 58410352, 64668604, 69643112, 82305496, 113170057, 129337208, 139286224, 164610992, 226340114, 258674416, 452680228, 905360456, 1810720912]

約数ペア:

[(1, 1810720912), (2, 905360456), (4, 452680228), (7, 258674416), (8, 226340114), (11, 164610992), (13, 139286224), (14, 129337208), (16, 113170057), (22, 82305496), (26, 69643112), (28, 64668604), (31, 58410352), (44, 41152748), (49, 36953488), (52, 34821556), (56, 32334302), (62, 29205176), (77, 23515856), (88, 20576374), (91, 19898032), (98, 18476744), (104, 17410778), (112, 16167151), (124, 14602588), (143, 12662384), (154, 11757928), (176, 10288187), (182, 9949016), (196, 9238372), (208, 8705389), (217, 8344336), (248, 7301294), (286, 6331192), (308, 5878964), (341, 5310032), (364, 4974508), (392, 4619186), (403, 4493104), (434, 4172168), (496, 3650647), (521, 3475472), (539, 3359408), (572, 3165596), (616, 2939482), (637, 2842576), (682, 2655016), (728, 2487254), (784, 2309593), (806, 2246552), (868, 2086084), (1001, 1808912), (1042, 1737736), (1078, 1679704), (1144, 1582798), (1232, 1469741), (1274, 1421288), (1364, 1327508), (1456, 1243627), (1519, 1192048), (1612, 1123276), (1736, 1043042), (2002, 904456), (2084, 868868), (2156, 839852), (2288, 791399), (2387, 758576), (2548, 710644), (2728, 663754), (2821, 641872), (3038, 596024), (3224, 561638), (3472, 521521), (3647, 496496), (4004, 452228), (4168, 434434), (4312, 419926), (4433, 408464), (4774, 379288), (5096, 355322), (5456, 331877), (5642, 320936), (5731, 315952), (6076, 298012), (6448, 280819), (6773, 267344), (7007, 258416), (7294, 248248), (8008, 226114), (8336, 217217), (8624, 209963), (8866, 204232), (9548, 189644), (10192, 177661), (11284, 160468), (11462, 157976), (12152, 149006), (13546, 133672), (14014, 129208), (14588, 124124), (16016, 113057), (16151, 112112), (16709, 108368), (17732, 102116), (19096, 94822), (19747, 91696), (22568, 80234), (22924, 78988), (24304, 74503), (25529, 70928), (27092, 66836), (28028, 64604), (29176, 62062), (31031, 58352), (32302, 56056), (33418, 54184), (35464, 51058), (38192, 47411), (39494, 45848), (40117, 45136)]