138391920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 496521792

約数和(自身を除く): 358129872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 61, 69, 72, 80, 90, 92, 115, 120, 122, 137, 138, 144, 180, 183, 184, 207, 230, 240, 244, 274, 276, 305, 345, 360, 366, 368, 411, 414, 460, 488, 548, 549, 552, 610, 685, 690, 720, 732, 822, 828, 915, 920, 976, 1035, 1096, 1098, 1104, 1220, 1233, 1370, 1380, 1403, 1464, 1644, 1656, 1830, 1840, 2055, 2070, 2192, 2196, 2440, 2466, 2740, 2745, 2760, 2806, 2928, 3151, 3288, 3312, 3660, 4110, 4140, 4209, 4392, 4880, 4932, 5480, 5490, 5520, 5612, 6165, 6302, 6576, 7015, 7320, 8220, 8280, 8357, 8418, 8784, 9453, 9864, 10960, 10980, 11224, 12330, 12604, 12627, 14030, 14640, 15755, 16440, 16560, 16714, 16836, 18906, 19728, 21045, 21960, 22448, 24660, 25071, 25208, 25254, 28060, 28359, 31510, 32880, 33428, 33672, 37812, 41785, 42090, 43920, 47265, 49320, 50142, 50416, 50508, 56120, 56718, 63020, 63135, 66856, 67344, 75213, 75624, 83570, 84180, 94530, 98640, 100284, 101016, 112240, 113436, 125355, 126040, 126270, 133712, 141795, 150426, 151248, 167140, 168360, 189060, 192211, 200568, 202032, 226872, 250710, 252080, 252540, 283590, 300852, 334280, 336720, 376065, 378120, 384422, 401136, 453744, 501420, 505080, 567180, 576633, 601704, 668560, 752130, 756240, 768844, 961055, 1002840, 1010160, 1134360, 1153266, 1203408, 1504260, 1537688, 1729899, 1922110, 2005680, 2268720, 2306532, 2883165, 3008520, 3075376, 3459798, 3844220, 4613064, 5766330, 6017040, 6919596, 7688440, 8649495, 9226128, 11532660, 13839192, 15376880, 17298990, 23065320, 27678384, 34597980, 46130640, 69195960, 138391920]

約数ペア:

[(1, 138391920), (2, 69195960), (3, 46130640), (4, 34597980), (5, 27678384), (6, 23065320), (8, 17298990), (9, 15376880), (10, 13839192), (12, 11532660), (15, 9226128), (16, 8649495), (18, 7688440), (20, 6919596), (23, 6017040), (24, 5766330), (30, 4613064), (36, 3844220), (40, 3459798), (45, 3075376), (46, 3008520), (48, 2883165), (60, 2306532), (61, 2268720), (69, 2005680), (72, 1922110), (80, 1729899), (90, 1537688), (92, 1504260), (115, 1203408), (120, 1153266), (122, 1134360), (137, 1010160), (138, 1002840), (144, 961055), (180, 768844), (183, 756240), (184, 752130), (207, 668560), (230, 601704), (240, 576633), (244, 567180), (274, 505080), (276, 501420), (305, 453744), (345, 401136), (360, 384422), (366, 378120), (368, 376065), (411, 336720), (414, 334280), (460, 300852), (488, 283590), (548, 252540), (549, 252080), (552, 250710), (610, 226872), (685, 202032), (690, 200568), (720, 192211), (732, 189060), (822, 168360), (828, 167140), (915, 151248), (920, 150426), (976, 141795), (1035, 133712), (1096, 126270), (1098, 126040), (1104, 125355), (1220, 113436), (1233, 112240), (1370, 101016), (1380, 100284), (1403, 98640), (1464, 94530), (1644, 84180), (1656, 83570), (1830, 75624), (1840, 75213), (2055, 67344), (2070, 66856), (2192, 63135), (2196, 63020), (2440, 56718), (2466, 56120), (2740, 50508), (2745, 50416), (2760, 50142), (2806, 49320), (2928, 47265), (3151, 43920), (3288, 42090), (3312, 41785), (3660, 37812), (4110, 33672), (4140, 33428), (4209, 32880), (4392, 31510), (4880, 28359), (4932, 28060), (5480, 25254), (5490, 25208), (5520, 25071), (5612, 24660), (6165, 22448), (6302, 21960), (6576, 21045), (7015, 19728), (7320, 18906), (8220, 16836), (8280, 16714), (8357, 16560), (8418, 16440), (8784, 15755), (9453, 14640), (9864, 14030), (10960, 12627), (10980, 12604), (11224, 12330)]