1021146880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 2663004960

約数和(自身を除く): 1641858080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 256, 260, 320, 416, 436, 520, 545, 563, 640, 832, 872, 1040, 1090, 1126, 1280, 1417, 1664, 1744, 2080, 2180, 2252, 2815, 2834, 3328, 3488, 4160, 4360, 4504, 5630, 5668, 6976, 7085, 7319, 8320, 8720, 9008, 11260, 11336, 13952, 14170, 14638, 16640, 17440, 18016, 22520, 22672, 27904, 28340, 29276, 34880, 36032, 36595, 45040, 45344, 56680, 58552, 61367, 69760, 72064, 73190, 90080, 90688, 113360, 117104, 122734, 139520, 144128, 146380, 180160, 181376, 226720, 234208, 245468, 292760, 306835, 360320, 362752, 453440, 468416, 490936, 585520, 613670, 720640, 797771, 906880, 936832, 981872, 1171040, 1227340, 1595542, 1813760, 1873664, 1963744, 2342080, 2454680, 3191084, 3927488, 3988855, 4684160, 4909360, 6382168, 7854976, 7977710, 9368320, 9818720, 12764336, 15709952, 15955420, 19637440, 25528672, 31910840, 39274880, 51057344, 63821680, 78549760, 102114688, 127643360, 204229376, 255286720, 510573440, 1021146880]

約数ペア:

[(1, 1021146880), (2, 510573440), (4, 255286720), (5, 204229376), (8, 127643360), (10, 102114688), (13, 78549760), (16, 63821680), (20, 51057344), (26, 39274880), (32, 31910840), (40, 25528672), (52, 19637440), (64, 15955420), (65, 15709952), (80, 12764336), (104, 9818720), (109, 9368320), (128, 7977710), (130, 7854976), (160, 6382168), (208, 4909360), (218, 4684160), (256, 3988855), (260, 3927488), (320, 3191084), (416, 2454680), (436, 2342080), (520, 1963744), (545, 1873664), (563, 1813760), (640, 1595542), (832, 1227340), (872, 1171040), (1040, 981872), (1090, 936832), (1126, 906880), (1280, 797771), (1417, 720640), (1664, 613670), (1744, 585520), (2080, 490936), (2180, 468416), (2252, 453440), (2815, 362752), (2834, 360320), (3328, 306835), (3488, 292760), (4160, 245468), (4360, 234208), (4504, 226720), (5630, 181376), (5668, 180160), (6976, 146380), (7085, 144128), (7319, 139520), (8320, 122734), (8720, 117104), (9008, 113360), (11260, 90688), (11336, 90080), (13952, 73190), (14170, 72064), (14638, 69760), (16640, 61367), (17440, 58552), (18016, 56680), (22520, 45344), (22672, 45040), (27904, 36595), (28340, 36032), (29276, 34880)]