1557777204

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1218

約数の個数: 96

約数和(自身を含む): 4118446080

約数和(自身を除く): 2560668876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 223, 284, 426, 446, 639, 669, 852, 892, 911, 1278, 1338, 1822, 1917, 2007, 2556, 2676, 2733, 3644, 3834, 4014, 5466, 6021, 7668, 8028, 8199, 10932, 12042, 15833, 16398, 24084, 24597, 31666, 32796, 47499, 49194, 63332, 64681, 94998, 98388, 129362, 142497, 189996, 194043, 203153, 258724, 284994, 388086, 406306, 427491, 569988, 582129, 609459, 776172, 812612, 854982, 1164258, 1218918, 1709964, 1746387, 1828377, 2328516, 2437836, 3492774, 3656754, 5485131, 6985548, 7313508, 10970262, 14423863, 21940524, 28847726, 43271589, 57695452, 86543178, 129814767, 173086356, 259629534, 389444301, 519259068, 778888602, 1557777204]

約数ペア:

[(1, 1557777204), (2, 778888602), (3, 519259068), (4, 389444301), (6, 259629534), (9, 173086356), (12, 129814767), (18, 86543178), (27, 57695452), (36, 43271589), (54, 28847726), (71, 21940524), (108, 14423863), (142, 10970262), (213, 7313508), (223, 6985548), (284, 5485131), (426, 3656754), (446, 3492774), (639, 2437836), (669, 2328516), (852, 1828377), (892, 1746387), (911, 1709964), (1278, 1218918), (1338, 1164258), (1822, 854982), (1917, 812612), (2007, 776172), (2556, 609459), (2676, 582129), (2733, 569988), (3644, 427491), (3834, 406306), (4014, 388086), (5466, 284994), (6021, 258724), (7668, 203153), (8028, 194043), (8199, 189996), (10932, 142497), (12042, 129362), (15833, 98388), (16398, 94998), (24084, 64681), (24597, 63332), (31666, 49194), (32796, 47499)]