72740920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3748

約数の個数: 64

約数和(自身を含む): 189734400

約数和(自身を除く): 116993480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3659, 3976, 4970, 7318, 9940, 14636, 18295, 19880, 25613, 29272, 36590, 51226, 73180, 102452, 128065, 146360, 204904, 256130, 259789, 512260, 519578, 1024520, 1039156, 1298945, 1818523, 2078312, 2597890, 3637046, 5195780, 7274092, 9092615, 10391560, 14548184, 18185230, 36370460, 72740920]

約数ペア:

[(1, 72740920), (2, 36370460), (4, 18185230), (5, 14548184), (7, 10391560), (8, 9092615), (10, 7274092), (14, 5195780), (20, 3637046), (28, 2597890), (35, 2078312), (40, 1818523), (56, 1298945), (70, 1039156), (71, 1024520), (140, 519578), (142, 512260), (280, 259789), (284, 256130), (355, 204904), (497, 146360), (568, 128065), (710, 102452), (994, 73180), (1420, 51226), (1988, 36590), (2485, 29272), (2840, 25613), (3659, 19880), (3976, 18295), (4970, 14636), (7318, 9940)]