131307480

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 256

約数和(自身を含む): 472320000

約数和(自身を除く): 341012520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 79, 81, 90, 95, 108, 114, 120, 135, 152, 158, 162, 171, 180, 190, 216, 228, 237, 243, 270, 285, 316, 324, 342, 360, 380, 395, 405, 456, 474, 486, 513, 540, 570, 632, 648, 684, 711, 729, 760, 790, 810, 855, 948, 972, 1026, 1080, 1140, 1185, 1215, 1368, 1422, 1458, 1501, 1539, 1580, 1620, 1710, 1896, 1944, 2052, 2133, 2187, 2280, 2370, 2430, 2565, 2844, 2916, 3002, 3078, 3160, 3240, 3420, 3555, 3645, 4104, 4266, 4374, 4503, 4617, 4740, 4860, 5130, 5688, 5832, 6004, 6156, 6399, 6840, 7110, 7290, 7505, 7695, 8532, 8748, 9006, 9234, 9480, 9720, 10260, 10665, 10935, 12008, 12312, 12798, 13509, 13851, 14220, 14580, 15010, 15390, 17064, 17496, 18012, 18468, 19197, 20520, 21330, 21870, 22515, 23085, 25596, 27018, 27702, 28440, 29160, 30020, 30780, 31995, 36024, 36936, 38394, 40527, 41553, 42660, 43740, 45030, 46170, 51192, 54036, 55404, 57591, 60040, 61560, 63990, 67545, 69255, 76788, 81054, 83106, 85320, 87480, 90060, 92340, 95985, 108072, 110808, 115182, 121581, 127980, 135090, 138510, 153576, 162108, 166212, 172773, 180120, 184680, 191970, 202635, 207765, 230364, 243162, 255960, 270180, 277020, 287955, 324216, 332424, 345546, 364743, 383940, 405270, 415530, 460728, 486324, 540360, 554040, 575910, 607905, 691092, 729486, 767880, 810540, 831060, 863865, 972648, 1094229, 1151820, 1215810, 1382184, 1458972, 1621080, 1662120, 1727730, 1823715, 2188458, 2303640, 2431620, 2917944, 3282687, 3455460, 3647430, 4376916, 4863240, 5471145, 6565374, 6910920, 7294860, 8753832, 10942290, 13130748, 14589720, 16413435, 21884580, 26261496, 32826870, 43769160, 65653740, 131307480]

約数ペア:

[(1, 131307480), (2, 65653740), (3, 43769160), (4, 32826870), (5, 26261496), (6, 21884580), (8, 16413435), (9, 14589720), (10, 13130748), (12, 10942290), (15, 8753832), (18, 7294860), (19, 6910920), (20, 6565374), (24, 5471145), (27, 4863240), (30, 4376916), (36, 3647430), (38, 3455460), (40, 3282687), (45, 2917944), (54, 2431620), (57, 2303640), (60, 2188458), (72, 1823715), (76, 1727730), (79, 1662120), (81, 1621080), (90, 1458972), (95, 1382184), (108, 1215810), (114, 1151820), (120, 1094229), (135, 972648), (152, 863865), (158, 831060), (162, 810540), (171, 767880), (180, 729486), (190, 691092), (216, 607905), (228, 575910), (237, 554040), (243, 540360), (270, 486324), (285, 460728), (316, 415530), (324, 405270), (342, 383940), (360, 364743), (380, 345546), (395, 332424), (405, 324216), (456, 287955), (474, 277020), (486, 270180), (513, 255960), (540, 243162), (570, 230364), (632, 207765), (648, 202635), (684, 191970), (711, 184680), (729, 180120), (760, 172773), (790, 166212), (810, 162108), (855, 153576), (948, 138510), (972, 135090), (1026, 127980), (1080, 121581), (1140, 115182), (1185, 110808), (1215, 108072), (1368, 95985), (1422, 92340), (1458, 90060), (1501, 87480), (1539, 85320), (1580, 83106), (1620, 81054), (1710, 76788), (1896, 69255), (1944, 67545), (2052, 63990), (2133, 61560), (2187, 60040), (2280, 57591), (2370, 55404), (2430, 54036), (2565, 51192), (2844, 46170), (2916, 45030), (3002, 43740), (3078, 42660), (3160, 41553), (3240, 40527), (3420, 38394), (3555, 36936), (3645, 36024), (4104, 31995), (4266, 30780), (4374, 30020), (4503, 29160), (4617, 28440), (4740, 27702), (4860, 27018), (5130, 25596), (5688, 23085), (5832, 22515), (6004, 21870), (6156, 21330), (6399, 20520), (6840, 19197), (7110, 18468), (7290, 18012), (7505, 17496), (7695, 17064), (8532, 15390), (8748, 15010), (9006, 14580), (9234, 14220), (9480, 13851), (9720, 13509), (10260, 12798), (10665, 12312), (10935, 12008)]