257751720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 320

約数和(自身を含む): 940896000

約数和(自身を除く): 683144280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 53, 54, 57, 60, 72, 76, 79, 81, 90, 95, 106, 108, 114, 120, 135, 152, 158, 159, 162, 171, 180, 190, 212, 216, 228, 237, 265, 270, 285, 316, 318, 324, 342, 360, 380, 395, 405, 424, 456, 474, 477, 513, 530, 540, 570, 632, 636, 648, 684, 711, 760, 790, 795, 810, 855, 948, 954, 1007, 1026, 1060, 1080, 1140, 1185, 1272, 1368, 1422, 1431, 1501, 1539, 1580, 1590, 1620, 1710, 1896, 1908, 2014, 2052, 2120, 2133, 2280, 2370, 2385, 2565, 2844, 2862, 3002, 3021, 3078, 3160, 3180, 3240, 3420, 3555, 3816, 4028, 4104, 4187, 4266, 4293, 4503, 4740, 4770, 5035, 5130, 5688, 5724, 6004, 6042, 6156, 6360, 6399, 6840, 7110, 7155, 7505, 7695, 8056, 8374, 8532, 8586, 9006, 9063, 9480, 9540, 10070, 10260, 10665, 11448, 12008, 12084, 12312, 12561, 12798, 13509, 14220, 14310, 15010, 15105, 15390, 16748, 17064, 17172, 18012, 18126, 19080, 20140, 20520, 20935, 21330, 21465, 22515, 24168, 25122, 25596, 27018, 27189, 28440, 28620, 30020, 30210, 30780, 31995, 33496, 34344, 36024, 36252, 37683, 40280, 40527, 41870, 42660, 42930, 45030, 45315, 50244, 51192, 54036, 54378, 57240, 60040, 60420, 61560, 62805, 63990, 67545, 72504, 75366, 79553, 81054, 81567, 83740, 85320, 85860, 90060, 90630, 100488, 108072, 108756, 113049, 120840, 121581, 125610, 127980, 135090, 135945, 150732, 159106, 162108, 163134, 167480, 171720, 180120, 181260, 188415, 202635, 217512, 226098, 238659, 243162, 251220, 255960, 270180, 271890, 301464, 318212, 324216, 326268, 339147, 362520, 376830, 397765, 405270, 407835, 452196, 477318, 486324, 502440, 540360, 543780, 565245, 607905, 636424, 652536, 678294, 715977, 753660, 795530, 810540, 815670, 904392, 954636, 972648, 1087560, 1130490, 1193295, 1215810, 1356588, 1431954, 1507320, 1591060, 1621080, 1631340, 1695735, 1909272, 2147931, 2260980, 2386590, 2431620, 2713176, 2863908, 3182120, 3262680, 3391470, 3579885, 4295862, 4521960, 4773180, 4863240, 5727816, 6443793, 6782940, 7159770, 8591724, 9546360, 10739655, 12887586, 13565880, 14319540, 17183448, 21479310, 25775172, 28639080, 32218965, 42958620, 51550344, 64437930, 85917240, 128875860, 257751720]

約数ペア:

[(1, 257751720), (2, 128875860), (3, 85917240), (4, 64437930), (5, 51550344), (6, 42958620), (8, 32218965), (9, 28639080), (10, 25775172), (12, 21479310), (15, 17183448), (18, 14319540), (19, 13565880), (20, 12887586), (24, 10739655), (27, 9546360), (30, 8591724), (36, 7159770), (38, 6782940), (40, 6443793), (45, 5727816), (53, 4863240), (54, 4773180), (57, 4521960), (60, 4295862), (72, 3579885), (76, 3391470), (79, 3262680), (81, 3182120), (90, 2863908), (95, 2713176), (106, 2431620), (108, 2386590), (114, 2260980), (120, 2147931), (135, 1909272), (152, 1695735), (158, 1631340), (159, 1621080), (162, 1591060), (171, 1507320), (180, 1431954), (190, 1356588), (212, 1215810), (216, 1193295), (228, 1130490), (237, 1087560), (265, 972648), (270, 954636), (285, 904392), (316, 815670), (318, 810540), (324, 795530), (342, 753660), (360, 715977), (380, 678294), (395, 652536), (405, 636424), (424, 607905), (456, 565245), (474, 543780), (477, 540360), (513, 502440), (530, 486324), (540, 477318), (570, 452196), (632, 407835), (636, 405270), (648, 397765), (684, 376830), (711, 362520), (760, 339147), (790, 326268), (795, 324216), (810, 318212), (855, 301464), (948, 271890), (954, 270180), (1007, 255960), (1026, 251220), (1060, 243162), (1080, 238659), (1140, 226098), (1185, 217512), (1272, 202635), (1368, 188415), (1422, 181260), (1431, 180120), (1501, 171720), (1539, 167480), (1580, 163134), (1590, 162108), (1620, 159106), (1710, 150732), (1896, 135945), (1908, 135090), (2014, 127980), (2052, 125610), (2120, 121581), (2133, 120840), (2280, 113049), (2370, 108756), (2385, 108072), (2565, 100488), (2844, 90630), (2862, 90060), (3002, 85860), (3021, 85320), (3078, 83740), (3160, 81567), (3180, 81054), (3240, 79553), (3420, 75366), (3555, 72504), (3816, 67545), (4028, 63990), (4104, 62805), (4187, 61560), (4266, 60420), (4293, 60040), (4503, 57240), (4740, 54378), (4770, 54036), (5035, 51192), (5130, 50244), (5688, 45315), (5724, 45030), (6004, 42930), (6042, 42660), (6156, 41870), (6360, 40527), (6399, 40280), (6840, 37683), (7110, 36252), (7155, 36024), (7505, 34344), (7695, 33496), (8056, 31995), (8374, 30780), (8532, 30210), (8586, 30020), (9006, 28620), (9063, 28440), (9480, 27189), (9540, 27018), (10070, 25596), (10260, 25122), (10665, 24168), (11448, 22515), (12008, 21465), (12084, 21330), (12312, 20935), (12561, 20520), (12798, 20140), (13509, 19080), (14220, 18126), (14310, 18012), (15010, 17172), (15105, 17064), (15390, 16748)]