645647664

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 1859880960

約数和(自身を除く): 1214233296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 41, 48, 57, 62, 76, 82, 93, 114, 123, 124, 152, 164, 186, 228, 246, 248, 304, 328, 372, 456, 492, 496, 557, 589, 656, 744, 779, 912, 984, 1114, 1178, 1271, 1488, 1558, 1671, 1767, 1968, 2228, 2337, 2356, 2542, 3116, 3342, 3534, 3813, 4456, 4674, 4712, 5084, 6232, 6684, 7068, 7626, 8912, 9348, 9424, 10168, 10583, 12464, 13368, 14136, 15252, 17267, 18696, 20336, 21166, 22837, 24149, 26736, 28272, 30504, 31749, 34534, 37392, 42332, 45674, 48298, 51801, 61008, 63498, 68511, 69068, 72447, 84664, 91348, 96596, 103602, 126996, 137022, 138136, 144894, 169328, 182696, 193192, 207204, 253992, 274044, 276272, 289788, 328073, 365392, 386384, 414408, 433903, 507984, 548088, 579576, 656146, 707947, 828816, 867806, 984219, 1096176, 1159152, 1301709, 1312292, 1415894, 1735612, 1968438, 2123841, 2603418, 2624584, 2831788, 3471224, 3936876, 4247682, 5206836, 5249168, 5663576, 6942448, 7873752, 8495364, 10413672, 11327152, 13450993, 15747504, 16990728, 20827344, 26901986, 33981456, 40352979, 53803972, 80705958, 107607944, 161411916, 215215888, 322823832, 645647664]

約数ペア:

[(1, 645647664), (2, 322823832), (3, 215215888), (4, 161411916), (6, 107607944), (8, 80705958), (12, 53803972), (16, 40352979), (19, 33981456), (24, 26901986), (31, 20827344), (38, 16990728), (41, 15747504), (48, 13450993), (57, 11327152), (62, 10413672), (76, 8495364), (82, 7873752), (93, 6942448), (114, 5663576), (123, 5249168), (124, 5206836), (152, 4247682), (164, 3936876), (186, 3471224), (228, 2831788), (246, 2624584), (248, 2603418), (304, 2123841), (328, 1968438), (372, 1735612), (456, 1415894), (492, 1312292), (496, 1301709), (557, 1159152), (589, 1096176), (656, 984219), (744, 867806), (779, 828816), (912, 707947), (984, 656146), (1114, 579576), (1178, 548088), (1271, 507984), (1488, 433903), (1558, 414408), (1671, 386384), (1767, 365392), (1968, 328073), (2228, 289788), (2337, 276272), (2356, 274044), (2542, 253992), (3116, 207204), (3342, 193192), (3534, 182696), (3813, 169328), (4456, 144894), (4674, 138136), (4712, 137022), (5084, 126996), (6232, 103602), (6684, 96596), (7068, 91348), (7626, 84664), (8912, 72447), (9348, 69068), (9424, 68511), (10168, 63498), (10583, 61008), (12464, 51801), (13368, 48298), (14136, 45674), (15252, 42332), (17267, 37392), (18696, 34534), (20336, 31749), (21166, 30504), (22837, 28272), (24149, 26736)]