720289216

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8443}}^1$

素因数の和:8529

約数の個数: 56

約数和(自身を含む): 1509922304

約数和(自身を除く): 789633088

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 172, 248, 344, 496, 688, 992, 1333, 1376, 1984, 2666, 2752, 5332, 8443, 10664, 16886, 21328, 33772, 42656, 67544, 85312, 135088, 261733, 270176, 363049, 523466, 540352, 726098, 1046932, 1452196, 2093864, 2904392, 4187728, 5808784, 8375456, 11254519, 11617568, 16750912, 22509038, 23235136, 45018076, 90036152, 180072304, 360144608, 720289216]

約数ペア:

[(1, 720289216), (2, 360144608), (4, 180072304), (8, 90036152), (16, 45018076), (31, 23235136), (32, 22509038), (43, 16750912), (62, 11617568), (64, 11254519), (86, 8375456), (124, 5808784), (172, 4187728), (248, 2904392), (344, 2093864), (496, 1452196), (688, 1046932), (992, 726098), (1333, 540352), (1376, 523466), (1984, 363049), (2666, 270176), (2752, 261733), (5332, 135088), (8443, 85312), (10664, 67544), (16886, 42656), (21328, 33772)]