156724840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 368040960

約数和(自身を除く): 211316120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1303, 1940, 2606, 3007, 3880, 5212, 6014, 6515, 10424, 12028, 13030, 15035, 24056, 26060, 30070, 40393, 52120, 60140, 80786, 120280, 126391, 161572, 201965, 252782, 323144, 403930, 505564, 631955, 807860, 1011128, 1263910, 1615720, 2527820, 3918121, 5055640, 7836242, 15672484, 19590605, 31344968, 39181210, 78362420, 156724840]

約数ペア:

[(1, 156724840), (2, 78362420), (4, 39181210), (5, 31344968), (8, 19590605), (10, 15672484), (20, 7836242), (31, 5055640), (40, 3918121), (62, 2527820), (97, 1615720), (124, 1263910), (155, 1011128), (194, 807860), (248, 631955), (310, 505564), (388, 403930), (485, 323144), (620, 252782), (776, 201965), (970, 161572), (1240, 126391), (1303, 120280), (1940, 80786), (2606, 60140), (3007, 52120), (3880, 40393), (5212, 30070), (6014, 26060), (6515, 24056), (10424, 15035), (12028, 13030)]