2019070720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1462

約数の個数: 144

約数和(自身を含む): 5178106080

約数和(自身を除く): 3159035360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 128, 152, 160, 190, 244, 256, 304, 305, 320, 380, 488, 608, 610, 640, 760, 976, 1159, 1216, 1220, 1280, 1361, 1520, 1952, 2318, 2432, 2440, 2722, 3040, 3904, 4636, 4864, 4880, 5444, 5795, 6080, 6805, 7808, 9272, 9760, 10888, 11590, 12160, 13610, 15616, 18544, 19520, 21776, 23180, 24320, 25859, 27220, 37088, 39040, 43552, 46360, 51718, 54440, 74176, 78080, 83021, 87104, 92720, 103436, 108880, 129295, 148352, 166042, 174208, 185440, 206872, 217760, 258590, 296704, 332084, 348416, 370880, 413744, 415105, 435520, 517180, 664168, 741760, 827488, 830210, 871040, 1034360, 1328336, 1483520, 1577399, 1654976, 1660420, 1742080, 2068720, 2656672, 3154798, 3309952, 3320840, 4137440, 5313344, 6309596, 6619904, 6641680, 7886995, 8274880, 10626688, 12619192, 13283360, 15773990, 16549760, 21253376, 25238384, 26566720, 31547980, 33099520, 50476768, 53133440, 63095960, 100953536, 106266880, 126191920, 201907072, 252383840, 403814144, 504767680, 1009535360, 2019070720]

約数ペア:

[(1, 2019070720), (2, 1009535360), (4, 504767680), (5, 403814144), (8, 252383840), (10, 201907072), (16, 126191920), (19, 106266880), (20, 100953536), (32, 63095960), (38, 53133440), (40, 50476768), (61, 33099520), (64, 31547980), (76, 26566720), (80, 25238384), (95, 21253376), (122, 16549760), (128, 15773990), (152, 13283360), (160, 12619192), (190, 10626688), (244, 8274880), (256, 7886995), (304, 6641680), (305, 6619904), (320, 6309596), (380, 5313344), (488, 4137440), (608, 3320840), (610, 3309952), (640, 3154798), (760, 2656672), (976, 2068720), (1159, 1742080), (1216, 1660420), (1220, 1654976), (1280, 1577399), (1361, 1483520), (1520, 1328336), (1952, 1034360), (2318, 871040), (2432, 830210), (2440, 827488), (2722, 741760), (3040, 664168), (3904, 517180), (4636, 435520), (4864, 415105), (4880, 413744), (5444, 370880), (5795, 348416), (6080, 332084), (6805, 296704), (7808, 258590), (9272, 217760), (9760, 206872), (10888, 185440), (11590, 174208), (12160, 166042), (13610, 148352), (15616, 129295), (18544, 108880), (19520, 103436), (21776, 92720), (23180, 87104), (24320, 83021), (25859, 78080), (27220, 74176), (37088, 54440), (39040, 51718), (43552, 46360)]