72391360

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5261}}^1$

素因数の和:5321

約数の個数: 56

約数和(自身を含む): 176424336

約数和(自身を除く): 104032976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5261, 6880, 10522, 13760, 21044, 26305, 42088, 52610, 84176, 105220, 168352, 210440, 226223, 336704, 420880, 452446, 841760, 904892, 1131115, 1683520, 1809784, 2262230, 3619568, 4524460, 7239136, 9048920, 14478272, 18097840, 36195680, 72391360]

約数ペア:

[(1, 72391360), (2, 36195680), (4, 18097840), (5, 14478272), (8, 9048920), (10, 7239136), (16, 4524460), (20, 3619568), (32, 2262230), (40, 1809784), (43, 1683520), (64, 1131115), (80, 904892), (86, 841760), (160, 452446), (172, 420880), (215, 336704), (320, 226223), (344, 210440), (430, 168352), (688, 105220), (860, 84176), (1376, 52610), (1720, 42088), (2752, 26305), (3440, 21044), (5261, 13760), (6880, 10522)]