247722408

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 723168000

約数和(自身を除く): 475445592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 71, 72, 87, 108, 116, 142, 174, 213, 216, 232, 261, 284, 348, 426, 522, 557, 568, 639, 696, 783, 852, 1044, 1114, 1278, 1566, 1671, 1704, 1917, 2059, 2088, 2228, 2556, 3132, 3342, 3834, 4118, 4456, 5013, 5112, 6177, 6264, 6684, 7668, 8236, 10026, 12354, 13368, 15039, 15336, 16153, 16472, 18531, 20052, 24708, 30078, 32306, 37062, 39547, 40104, 48459, 49416, 55593, 60156, 64612, 74124, 79094, 96918, 111186, 118641, 120312, 129224, 145377, 148248, 158188, 193836, 222372, 237282, 290754, 316376, 355923, 387672, 436131, 444744, 474564, 581508, 711846, 872262, 949128, 1067769, 1146863, 1163016, 1423692, 1744524, 2135538, 2293726, 2847384, 3440589, 3489048, 4271076, 4587452, 6881178, 8542152, 9174904, 10321767, 13762356, 20643534, 27524712, 30965301, 41287068, 61930602, 82574136, 123861204, 247722408]

約数ペア:

[(1, 247722408), (2, 123861204), (3, 82574136), (4, 61930602), (6, 41287068), (8, 30965301), (9, 27524712), (12, 20643534), (18, 13762356), (24, 10321767), (27, 9174904), (29, 8542152), (36, 6881178), (54, 4587452), (58, 4271076), (71, 3489048), (72, 3440589), (87, 2847384), (108, 2293726), (116, 2135538), (142, 1744524), (174, 1423692), (213, 1163016), (216, 1146863), (232, 1067769), (261, 949128), (284, 872262), (348, 711846), (426, 581508), (522, 474564), (557, 444744), (568, 436131), (639, 387672), (696, 355923), (783, 316376), (852, 290754), (1044, 237282), (1114, 222372), (1278, 193836), (1566, 158188), (1671, 148248), (1704, 145377), (1917, 129224), (2059, 120312), (2088, 118641), (2228, 111186), (2556, 96918), (3132, 79094), (3342, 74124), (3834, 64612), (4118, 60156), (4456, 55593), (5013, 49416), (5112, 48459), (6177, 40104), (6264, 39547), (6684, 37062), (7668, 32306), (8236, 30078), (10026, 24708), (12354, 20052), (13368, 18531), (15039, 16472), (15336, 16153)]