15840396

素因数分解:

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

素因数の和:232

約数の個数: 144

約数和(自身を含む): 50083488

約数和(自身を除く): 34243092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 22, 26, 33, 34, 36, 39, 44, 51, 52, 66, 68, 78, 99, 102, 117, 132, 143, 153, 156, 181, 187, 198, 204, 221, 234, 286, 306, 362, 374, 396, 429, 442, 468, 543, 561, 572, 612, 663, 724, 748, 858, 884, 1086, 1122, 1287, 1326, 1629, 1683, 1716, 1989, 1991, 2172, 2244, 2353, 2431, 2574, 2652, 3077, 3258, 3366, 3978, 3982, 4706, 4862, 5148, 5973, 6154, 6516, 6732, 7059, 7293, 7956, 7964, 9231, 9412, 9724, 11946, 12308, 14118, 14586, 17919, 18462, 21177, 21879, 23892, 25883, 27693, 28236, 29172, 33847, 35838, 36924, 40001, 42354, 43758, 51766, 55386, 67694, 71676, 77649, 80002, 84708, 87516, 101541, 103532, 110772, 120003, 135388, 155298, 160004, 203082, 232947, 240006, 304623, 310596, 360009, 406164, 440011, 465894, 480012, 609246, 720018, 880022, 931788, 1218492, 1320033, 1440036, 1760044, 2640066, 3960099, 5280132, 7920198, 15840396]

約数ペア:

[(1, 15840396), (2, 7920198), (3, 5280132), (4, 3960099), (6, 2640066), (9, 1760044), (11, 1440036), (12, 1320033), (13, 1218492), (17, 931788), (18, 880022), (22, 720018), (26, 609246), (33, 480012), (34, 465894), (36, 440011), (39, 406164), (44, 360009), (51, 310596), (52, 304623), (66, 240006), (68, 232947), (78, 203082), (99, 160004), (102, 155298), (117, 135388), (132, 120003), (143, 110772), (153, 103532), (156, 101541), (181, 87516), (187, 84708), (198, 80002), (204, 77649), (221, 71676), (234, 67694), (286, 55386), (306, 51766), (362, 43758), (374, 42354), (396, 40001), (429, 36924), (442, 35838), (468, 33847), (543, 29172), (561, 28236), (572, 27693), (612, 25883), (663, 23892), (724, 21879), (748, 21177), (858, 18462), (884, 17919), (1086, 14586), (1122, 14118), (1287, 12308), (1326, 11946), (1629, 9724), (1683, 9412), (1716, 9231), (1989, 7964), (1991, 7956), (2172, 7293), (2244, 7059), (2353, 6732), (2431, 6516), (2574, 6154), (2652, 5973), (3077, 5148), (3258, 4862), (3366, 4706), (3978, 3982)]