71831960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 170138880

約数和(自身を除く): 98306920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1093, 1240, 1643, 2120, 2186, 3286, 4372, 5465, 6572, 8215, 8744, 10930, 13144, 16430, 21860, 32860, 33883, 43720, 57929, 65720, 67766, 115858, 135532, 169415, 231716, 271064, 289645, 338830, 463432, 579290, 677660, 1158580, 1355320, 1795799, 2317160, 3591598, 7183196, 8978995, 14366392, 17957990, 35915980, 71831960]

約数ペア:

[(1, 71831960), (2, 35915980), (4, 17957990), (5, 14366392), (8, 8978995), (10, 7183196), (20, 3591598), (31, 2317160), (40, 1795799), (53, 1355320), (62, 1158580), (106, 677660), (124, 579290), (155, 463432), (212, 338830), (248, 289645), (265, 271064), (310, 231716), (424, 169415), (530, 135532), (620, 115858), (1060, 67766), (1093, 65720), (1240, 57929), (1643, 43720), (2120, 33883), (2186, 32860), (3286, 21860), (4372, 16430), (5465, 13144), (6572, 10930), (8215, 8744)]