16885680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 240

約数和(自身を含む): 65829120

約数和(自身を除く): 48943440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 48, 56, 57, 60, 69, 70, 76, 80, 84, 92, 95, 105, 112, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 240, 266, 276, 280, 285, 304, 322, 336, 345, 368, 380, 399, 420, 437, 456, 460, 483, 529, 532, 552, 560, 570, 644, 665, 690, 760, 798, 805, 840, 874, 912, 920, 966, 1058, 1064, 1104, 1140, 1288, 1311, 1330, 1380, 1520, 1587, 1596, 1610, 1680, 1748, 1840, 1932, 1995, 2116, 2128, 2185, 2280, 2415, 2576, 2622, 2645, 2660, 2760, 3059, 3174, 3192, 3220, 3496, 3703, 3864, 3990, 4232, 4370, 4560, 4830, 5244, 5290, 5320, 5520, 6118, 6348, 6384, 6440, 6555, 6992, 7406, 7728, 7935, 7980, 8464, 8740, 9177, 9660, 10051, 10488, 10580, 10640, 11109, 12236, 12696, 12880, 13110, 14812, 15295, 15870, 15960, 17480, 18354, 18515, 19320, 20102, 20976, 21160, 22218, 24472, 25392, 26220, 29624, 30153, 30590, 31740, 31920, 34960, 36708, 37030, 38640, 40204, 42320, 44436, 45885, 48944, 50255, 52440, 55545, 59248, 60306, 61180, 63480, 70357, 73416, 74060, 80408, 88872, 91770, 100510, 104880, 111090, 120612, 122360, 126960, 140714, 146832, 148120, 150765, 160816, 177744, 183540, 201020, 211071, 222180, 241224, 244720, 281428, 296240, 301530, 351785, 367080, 402040, 422142, 444360, 482448, 562856, 603060, 703570, 734160, 804080, 844284, 888720, 1055355, 1125712, 1206120, 1407140, 1688568, 2110710, 2412240, 2814280, 3377136, 4221420, 5628560, 8442840, 16885680]

約数ペア:

[(1, 16885680), (2, 8442840), (3, 5628560), (4, 4221420), (5, 3377136), (6, 2814280), (7, 2412240), (8, 2110710), (10, 1688568), (12, 1407140), (14, 1206120), (15, 1125712), (16, 1055355), (19, 888720), (20, 844284), (21, 804080), (23, 734160), (24, 703570), (28, 603060), (30, 562856), (35, 482448), (38, 444360), (40, 422142), (42, 402040), (46, 367080), (48, 351785), (56, 301530), (57, 296240), (60, 281428), (69, 244720), (70, 241224), (76, 222180), (80, 211071), (84, 201020), (92, 183540), (95, 177744), (105, 160816), (112, 150765), (114, 148120), (115, 146832), (120, 140714), (133, 126960), (138, 122360), (140, 120612), (152, 111090), (161, 104880), (168, 100510), (184, 91770), (190, 88872), (210, 80408), (228, 74060), (230, 73416), (240, 70357), (266, 63480), (276, 61180), (280, 60306), (285, 59248), (304, 55545), (322, 52440), (336, 50255), (345, 48944), (368, 45885), (380, 44436), (399, 42320), (420, 40204), (437, 38640), (456, 37030), (460, 36708), (483, 34960), (529, 31920), (532, 31740), (552, 30590), (560, 30153), (570, 29624), (644, 26220), (665, 25392), (690, 24472), (760, 22218), (798, 21160), (805, 20976), (840, 20102), (874, 19320), (912, 18515), (920, 18354), (966, 17480), (1058, 15960), (1064, 15870), (1104, 15295), (1140, 14812), (1288, 13110), (1311, 12880), (1330, 12696), (1380, 12236), (1520, 11109), (1587, 10640), (1596, 10580), (1610, 10488), (1680, 10051), (1748, 9660), (1840, 9177), (1932, 8740), (1995, 8464), (2116, 7980), (2128, 7935), (2185, 7728), (2280, 7406), (2415, 6992), (2576, 6555), (2622, 6440), (2645, 6384), (2660, 6348), (2760, 6118), (3059, 5520), (3174, 5320), (3192, 5290), (3220, 5244), (3496, 4830), (3703, 4560), (3864, 4370), (3990, 4232)]