20195406280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:876

約数の個数: 256

約数和(自身を含む): 56899584000

約数和(自身を除く): 36704177720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 223, 232, 266, 280, 290, 380, 406, 446, 532, 551, 580, 587, 665, 760, 812, 892, 1015, 1064, 1102, 1115, 1160, 1174, 1330, 1561, 1624, 1784, 2030, 2204, 2230, 2348, 2660, 2755, 2935, 3122, 3857, 4060, 4109, 4237, 4408, 4460, 4696, 5320, 5510, 5870, 6244, 6467, 7714, 7805, 8120, 8218, 8474, 8920, 11020, 11153, 11740, 12488, 12934, 15428, 15610, 16436, 16948, 17023, 19285, 20545, 21185, 22040, 22306, 23480, 25868, 29659, 30856, 31220, 32335, 32872, 33896, 34046, 38570, 41090, 42370, 44612, 45269, 51736, 55765, 59318, 62440, 64670, 68092, 77140, 78071, 82180, 84740, 85115, 89224, 90538, 111530, 118636, 119161, 122873, 129340, 130901, 136184, 148295, 154280, 156142, 164360, 169480, 170230, 181076, 223060, 226345, 237272, 238322, 245746, 258680, 261802, 296590, 312284, 323437, 340460, 362152, 390355, 446120, 452690, 476644, 491492, 523604, 593180, 595805, 614365, 624568, 646874, 654505, 680920, 780710, 860111, 905380, 916307, 953288, 982984, 1047208, 1186360, 1191610, 1228730, 1293748, 1309010, 1561420, 1617185, 1720222, 1810760, 1832614, 2264059, 2383220, 2457460, 2487119, 2587496, 2618020, 3122840, 3234370, 3440444, 3665228, 3796129, 4300555, 4528118, 4581535, 4766440, 4914920, 4974238, 5236040, 6468740, 6880888, 7330456, 7592258, 8601110, 9056236, 9163070, 9948476, 11320295, 12435595, 12937480, 15184516, 17202220, 17409833, 18112472, 18326140, 18980645, 19896952, 22640590, 24871190, 26572903, 30369032, 34404440, 34819666, 36652280, 37961290, 45281180, 49742380, 53145806, 69639332, 72126451, 75922580, 87049165, 90562360, 99484760, 106291612, 132864515, 139278664, 144252902, 151845160, 174098330, 212583224, 265729030, 288505804, 348196660, 360632255, 504885157, 531458060, 577011608, 696393320, 721264510, 1009770314, 1062916120, 1442529020, 2019540628, 2524425785, 2885058040, 4039081256, 5048851570, 10097703140, 20195406280]

約数ペア:

[(1, 20195406280), (2, 10097703140), (4, 5048851570), (5, 4039081256), (7, 2885058040), (8, 2524425785), (10, 2019540628), (14, 1442529020), (19, 1062916120), (20, 1009770314), (28, 721264510), (29, 696393320), (35, 577011608), (38, 531458060), (40, 504885157), (56, 360632255), (58, 348196660), (70, 288505804), (76, 265729030), (95, 212583224), (116, 174098330), (133, 151845160), (140, 144252902), (145, 139278664), (152, 132864515), (190, 106291612), (203, 99484760), (223, 90562360), (232, 87049165), (266, 75922580), (280, 72126451), (290, 69639332), (380, 53145806), (406, 49742380), (446, 45281180), (532, 37961290), (551, 36652280), (580, 34819666), (587, 34404440), (665, 30369032), (760, 26572903), (812, 24871190), (892, 22640590), (1015, 19896952), (1064, 18980645), (1102, 18326140), (1115, 18112472), (1160, 17409833), (1174, 17202220), (1330, 15184516), (1561, 12937480), (1624, 12435595), (1784, 11320295), (2030, 9948476), (2204, 9163070), (2230, 9056236), (2348, 8601110), (2660, 7592258), (2755, 7330456), (2935, 6880888), (3122, 6468740), (3857, 5236040), (4060, 4974238), (4109, 4914920), (4237, 4766440), (4408, 4581535), (4460, 4528118), (4696, 4300555), (5320, 3796129), (5510, 3665228), (5870, 3440444), (6244, 3234370), (6467, 3122840), (7714, 2618020), (7805, 2587496), (8120, 2487119), (8218, 2457460), (8474, 2383220), (8920, 2264059), (11020, 1832614), (11153, 1810760), (11740, 1720222), (12488, 1617185), (12934, 1561420), (15428, 1309010), (15610, 1293748), (16436, 1228730), (16948, 1191610), (17023, 1186360), (19285, 1047208), (20545, 982984), (21185, 953288), (22040, 916307), (22306, 905380), (23480, 860111), (25868, 780710), (29659, 680920), (30856, 654505), (31220, 646874), (32335, 624568), (32872, 614365), (33896, 595805), (34046, 593180), (38570, 523604), (41090, 491492), (42370, 476644), (44612, 452690), (45269, 446120), (51736, 390355), (55765, 362152), (59318, 340460), (62440, 323437), (64670, 312284), (68092, 296590), (77140, 261802), (78071, 258680), (82180, 245746), (84740, 238322), (85115, 237272), (89224, 226345), (90538, 223060), (111530, 181076), (118636, 170230), (119161, 169480), (122873, 164360), (129340, 156142), (130901, 154280), (136184, 148295)]