28905840880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3148

約数の個数: 240

約数和(自身を含む): 81749053440

約数和(自身を除く): 52843212560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 79, 80, 98, 112, 124, 140, 155, 158, 196, 217, 245, 248, 280, 310, 316, 392, 395, 434, 490, 496, 553, 560, 620, 632, 784, 790, 868, 980, 1085, 1106, 1240, 1264, 1519, 1580, 1736, 1960, 2170, 2212, 2449, 2480, 2765, 3011, 3038, 3160, 3472, 3871, 3920, 4340, 4424, 4898, 5530, 6022, 6076, 6320, 7595, 7742, 8680, 8848, 9796, 11060, 12044, 12152, 12245, 15055, 15190, 15484, 17143, 17360, 19355, 19592, 21077, 22120, 24088, 24304, 24490, 30110, 30380, 30968, 34286, 38710, 39184, 42154, 44240, 48176, 48980, 60220, 60760, 61936, 68572, 77420, 84308, 85715, 93341, 97960, 105385, 120001, 120440, 121520, 137144, 147539, 154840, 168616, 171430, 186682, 195920, 210770, 237869, 240002, 240880, 274288, 295078, 309680, 337232, 342860, 373364, 421540, 466705, 475738, 480004, 590156, 600005, 653387, 685720, 737695, 746728, 843080, 933410, 951476, 960008, 1180312, 1189345, 1200010, 1306774, 1371440, 1475390, 1493456, 1665083, 1686160, 1866820, 1902952, 1920016, 2360624, 2378690, 2400020, 2613548, 2950780, 3266935, 3330166, 3733640, 3805904, 4573709, 4757380, 4800040, 5227096, 5901560, 6533870, 6660332, 7373939, 7467280, 8325415, 9147418, 9514760, 9600080, 10454192, 11655581, 11803120, 13067740, 13320664, 14747878, 16650830, 18294836, 19029520, 22868545, 23311162, 26135480, 26641328, 29495756, 33301660, 36589672, 36869695, 45737090, 46622324, 51617573, 52270960, 58277905, 58991512, 66603320, 73179344, 73739390, 91474180, 93244648, 103235146, 116555810, 117983024, 133206640, 147478780, 182948360, 186489296, 206470292, 233111620, 258087865, 294957560, 361323011, 365896720, 412940584, 466223240, 516175730, 589915120, 722646022, 825881168, 932446480, 1032351460, 1445292044, 1806615055, 2064702920, 2890584088, 3613230110, 4129405840, 5781168176, 7226460220, 14452920440, 28905840880]

約数ペア:

[(1, 28905840880), (2, 14452920440), (4, 7226460220), (5, 5781168176), (7, 4129405840), (8, 3613230110), (10, 2890584088), (14, 2064702920), (16, 1806615055), (20, 1445292044), (28, 1032351460), (31, 932446480), (35, 825881168), (40, 722646022), (49, 589915120), (56, 516175730), (62, 466223240), (70, 412940584), (79, 365896720), (80, 361323011), (98, 294957560), (112, 258087865), (124, 233111620), (140, 206470292), (155, 186489296), (158, 182948360), (196, 147478780), (217, 133206640), (245, 117983024), (248, 116555810), (280, 103235146), (310, 93244648), (316, 91474180), (392, 73739390), (395, 73179344), (434, 66603320), (490, 58991512), (496, 58277905), (553, 52270960), (560, 51617573), (620, 46622324), (632, 45737090), (784, 36869695), (790, 36589672), (868, 33301660), (980, 29495756), (1085, 26641328), (1106, 26135480), (1240, 23311162), (1264, 22868545), (1519, 19029520), (1580, 18294836), (1736, 16650830), (1960, 14747878), (2170, 13320664), (2212, 13067740), (2449, 11803120), (2480, 11655581), (2765, 10454192), (3011, 9600080), (3038, 9514760), (3160, 9147418), (3472, 8325415), (3871, 7467280), (3920, 7373939), (4340, 6660332), (4424, 6533870), (4898, 5901560), (5530, 5227096), (6022, 4800040), (6076, 4757380), (6320, 4573709), (7595, 3805904), (7742, 3733640), (8680, 3330166), (8848, 3266935), (9796, 2950780), (11060, 2613548), (12044, 2400020), (12152, 2378690), (12245, 2360624), (15055, 1920016), (15190, 1902952), (15484, 1866820), (17143, 1686160), (17360, 1665083), (19355, 1493456), (19592, 1475390), (21077, 1371440), (22120, 1306774), (24088, 1200010), (24304, 1189345), (24490, 1180312), (30110, 960008), (30380, 951476), (30968, 933410), (34286, 843080), (38710, 746728), (39184, 737695), (42154, 685720), (44240, 653387), (48176, 600005), (48980, 590156), (60220, 480004), (60760, 475738), (61936, 466705), (68572, 421540), (77420, 373364), (84308, 342860), (85715, 337232), (93341, 309680), (97960, 295078), (105385, 274288), (120001, 240880), (120440, 240002), (121520, 237869), (137144, 210770), (147539, 195920), (154840, 186682), (168616, 171430)]