87122178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 237896568

約数和(自身を除く): 150774390

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 33, 34, 39, 51, 66, 78, 99, 102, 117, 121, 143, 153, 181, 187, 198, 221, 234, 242, 286, 306, 362, 363, 374, 429, 442, 543, 561, 663, 726, 858, 1086, 1089, 1122, 1287, 1326, 1573, 1629, 1683, 1989, 1991, 2057, 2178, 2353, 2431, 2574, 3077, 3146, 3258, 3366, 3978, 3982, 4114, 4706, 4719, 4862, 5973, 6154, 6171, 7059, 7293, 9231, 9438, 11946, 12342, 14118, 14157, 14586, 17919, 18462, 18513, 21177, 21879, 21901, 25883, 26741, 27693, 28314, 33847, 35838, 37026, 40001, 42354, 43758, 43802, 51766, 53482, 55386, 65703, 67694, 77649, 80002, 80223, 101541, 120003, 131406, 155298, 160446, 197109, 203082, 232947, 240006, 240669, 284713, 304623, 360009, 372317, 394218, 440011, 465894, 481338, 569426, 609246, 720018, 744634, 854139, 880022, 1116951, 1320033, 1708278, 2233902, 2562417, 2640066, 3350853, 3960099, 4840121, 5124834, 6701706, 7920198, 9680242, 14520363, 29040726, 43561089, 87122178]

約数ペア:

[(1, 87122178), (2, 43561089), (3, 29040726), (6, 14520363), (9, 9680242), (11, 7920198), (13, 6701706), (17, 5124834), (18, 4840121), (22, 3960099), (26, 3350853), (33, 2640066), (34, 2562417), (39, 2233902), (51, 1708278), (66, 1320033), (78, 1116951), (99, 880022), (102, 854139), (117, 744634), (121, 720018), (143, 609246), (153, 569426), (181, 481338), (187, 465894), (198, 440011), (221, 394218), (234, 372317), (242, 360009), (286, 304623), (306, 284713), (362, 240669), (363, 240006), (374, 232947), (429, 203082), (442, 197109), (543, 160446), (561, 155298), (663, 131406), (726, 120003), (858, 101541), (1086, 80223), (1089, 80002), (1122, 77649), (1287, 67694), (1326, 65703), (1573, 55386), (1629, 53482), (1683, 51766), (1989, 43802), (1991, 43758), (2057, 42354), (2178, 40001), (2353, 37026), (2431, 35838), (2574, 33847), (3077, 28314), (3146, 27693), (3258, 26741), (3366, 25883), (3978, 21901), (3982, 21879), (4114, 21177), (4706, 18513), (4719, 18462), (4862, 17919), (5973, 14586), (6154, 14157), (6171, 14118), (7059, 12342), (7293, 11946), (9231, 9438)]