451803440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{743}}^1$

素因数の和:1458

約数の個数: 80

約数和(自身を含む): 1149140736

約数和(自身を除く): 697337296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 691, 743, 880, 1382, 1486, 2764, 2972, 3455, 3715, 5528, 5944, 6910, 7430, 7601, 8173, 11056, 11888, 13820, 14860, 15202, 16346, 27640, 29720, 30404, 32692, 38005, 40865, 55280, 59440, 60808, 65384, 76010, 81730, 121616, 130768, 152020, 163460, 304040, 326920, 513413, 608080, 653840, 1026826, 2053652, 2567065, 4107304, 5134130, 5647543, 8214608, 10268260, 11295086, 20536520, 22590172, 28237715, 41073040, 45180344, 56475430, 90360688, 112950860, 225901720, 451803440]

約数ペア:

[(1, 451803440), (2, 225901720), (4, 112950860), (5, 90360688), (8, 56475430), (10, 45180344), (11, 41073040), (16, 28237715), (20, 22590172), (22, 20536520), (40, 11295086), (44, 10268260), (55, 8214608), (80, 5647543), (88, 5134130), (110, 4107304), (176, 2567065), (220, 2053652), (440, 1026826), (691, 653840), (743, 608080), (880, 513413), (1382, 326920), (1486, 304040), (2764, 163460), (2972, 152020), (3455, 130768), (3715, 121616), (5528, 81730), (5944, 76010), (6910, 65384), (7430, 60808), (7601, 59440), (8173, 55280), (11056, 40865), (11888, 38005), (13820, 32692), (14860, 30404), (15202, 29720), (16346, 27640)]