161275268

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 392232960

約数和(自身を除く): 230957692

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 31, 38, 44, 49, 62, 76, 77, 98, 124, 127, 133, 154, 196, 209, 217, 254, 266, 308, 341, 418, 434, 508, 532, 539, 589, 682, 836, 868, 889, 931, 1078, 1178, 1364, 1397, 1463, 1519, 1778, 1862, 2156, 2356, 2387, 2413, 2794, 2926, 3038, 3556, 3724, 3937, 4123, 4774, 4826, 5588, 5852, 6076, 6223, 6479, 7874, 8246, 9548, 9652, 9779, 10241, 12446, 12958, 15748, 16492, 16709, 16891, 19558, 20482, 24892, 25916, 26543, 27559, 28861, 33418, 33782, 39116, 40964, 43307, 45353, 53086, 55118, 57722, 66836, 67564, 68453, 74803, 86614, 90706, 106172, 110236, 115444, 118237, 136906, 149606, 173228, 181412, 185801, 192913, 236474, 273812, 299212, 303149, 317471, 371602, 385826, 472948, 523621, 606298, 634942, 743204, 771652, 822833, 1047242, 1212596, 1269884, 1300607, 1645666, 2094484, 2122043, 2601214, 3291332, 3665347, 4244086, 5202428, 5759831, 7330694, 8488172, 11519662, 14661388, 23039324, 40318817, 80637634, 161275268]

約数ペア:

[(1, 161275268), (2, 80637634), (4, 40318817), (7, 23039324), (11, 14661388), (14, 11519662), (19, 8488172), (22, 7330694), (28, 5759831), (31, 5202428), (38, 4244086), (44, 3665347), (49, 3291332), (62, 2601214), (76, 2122043), (77, 2094484), (98, 1645666), (124, 1300607), (127, 1269884), (133, 1212596), (154, 1047242), (196, 822833), (209, 771652), (217, 743204), (254, 634942), (266, 606298), (308, 523621), (341, 472948), (418, 385826), (434, 371602), (508, 317471), (532, 303149), (539, 299212), (589, 273812), (682, 236474), (836, 192913), (868, 185801), (889, 181412), (931, 173228), (1078, 149606), (1178, 136906), (1364, 118237), (1397, 115444), (1463, 110236), (1519, 106172), (1778, 90706), (1862, 86614), (2156, 74803), (2356, 68453), (2387, 67564), (2413, 66836), (2794, 57722), (2926, 55118), (3038, 53086), (3556, 45353), (3724, 43307), (3937, 40964), (4123, 39116), (4774, 33782), (4826, 33418), (5588, 28861), (5852, 27559), (6076, 26543), (6223, 25916), (6479, 24892), (7874, 20482), (8246, 19558), (9548, 16891), (9652, 16709), (9779, 16492), (10241, 15748), (12446, 12958)]