28196791280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3312

約数の個数: 240

約数和(自身を含む): 79630858656

約数和(自身を除く): 51434067376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 61, 70, 74, 80, 98, 112, 122, 140, 148, 185, 196, 244, 245, 259, 280, 296, 305, 370, 392, 427, 488, 490, 518, 560, 592, 610, 740, 784, 854, 976, 980, 1036, 1220, 1295, 1480, 1708, 1813, 1960, 2072, 2135, 2257, 2440, 2590, 2960, 2989, 3187, 3416, 3626, 3920, 4144, 4270, 4514, 4880, 5180, 5978, 6374, 6832, 7252, 8540, 9028, 9065, 10360, 11285, 11956, 12748, 14504, 14945, 15799, 15935, 17080, 18056, 18130, 20720, 22309, 22570, 23912, 25496, 29008, 29890, 31598, 31870, 34160, 36112, 36260, 44618, 45140, 47824, 50992, 59780, 63196, 63740, 72520, 78995, 89236, 90280, 110593, 111545, 117919, 119560, 126392, 127480, 145040, 156163, 157990, 178472, 180560, 194407, 221186, 223090, 235838, 239120, 252784, 254960, 312326, 315980, 356944, 388814, 442372, 446180, 471676, 552965, 589595, 624652, 631960, 777628, 780815, 825433, 884744, 892360, 943352, 972035, 1105930, 1179190, 1249304, 1263920, 1360849, 1555256, 1561630, 1650866, 1769488, 1784720, 1886704, 1944070, 2211860, 2358380, 2498608, 2721698, 3110512, 3123260, 3301732, 3888140, 4127165, 4423720, 4716760, 5443396, 5778031, 6246520, 6603464, 6804245, 7193059, 7776280, 8254330, 8847440, 9433520, 9525943, 10886792, 11556062, 12493040, 13206928, 13608490, 14386118, 15552560, 16508660, 19051886, 21773584, 23112124, 27216980, 28772236, 28890155, 33017320, 35965295, 38103772, 46224248, 47629715, 50351413, 54433960, 57544472, 57780310, 66034640, 71930590, 76207544, 92448496, 95259430, 100702826, 108867920, 115088944, 115560620, 143861180, 152415088, 190518860, 201405652, 231121240, 251757065, 287722360, 352459891, 381037720, 402811304, 462242480, 503514130, 575444720, 704919782, 762075440, 805622608, 1007028260, 1409839564, 1762299455, 2014056520, 2819679128, 3524598910, 4028113040, 5639358256, 7049197820, 14098395640, 28196791280]

約数ペア:

[(1, 28196791280), (2, 14098395640), (4, 7049197820), (5, 5639358256), (7, 4028113040), (8, 3524598910), (10, 2819679128), (14, 2014056520), (16, 1762299455), (20, 1409839564), (28, 1007028260), (35, 805622608), (37, 762075440), (40, 704919782), (49, 575444720), (56, 503514130), (61, 462242480), (70, 402811304), (74, 381037720), (80, 352459891), (98, 287722360), (112, 251757065), (122, 231121240), (140, 201405652), (148, 190518860), (185, 152415088), (196, 143861180), (244, 115560620), (245, 115088944), (259, 108867920), (280, 100702826), (296, 95259430), (305, 92448496), (370, 76207544), (392, 71930590), (427, 66034640), (488, 57780310), (490, 57544472), (518, 54433960), (560, 50351413), (592, 47629715), (610, 46224248), (740, 38103772), (784, 35965295), (854, 33017320), (976, 28890155), (980, 28772236), (1036, 27216980), (1220, 23112124), (1295, 21773584), (1480, 19051886), (1708, 16508660), (1813, 15552560), (1960, 14386118), (2072, 13608490), (2135, 13206928), (2257, 12493040), (2440, 11556062), (2590, 10886792), (2960, 9525943), (2989, 9433520), (3187, 8847440), (3416, 8254330), (3626, 7776280), (3920, 7193059), (4144, 6804245), (4270, 6603464), (4514, 6246520), (4880, 5778031), (5180, 5443396), (5978, 4716760), (6374, 4423720), (6832, 4127165), (7252, 3888140), (8540, 3301732), (9028, 3123260), (9065, 3110512), (10360, 2721698), (11285, 2498608), (11956, 2358380), (12748, 2211860), (14504, 1944070), (14945, 1886704), (15799, 1784720), (15935, 1769488), (17080, 1650866), (18056, 1561630), (18130, 1555256), (20720, 1360849), (22309, 1263920), (22570, 1249304), (23912, 1179190), (25496, 1105930), (29008, 972035), (29890, 943352), (31598, 892360), (31870, 884744), (34160, 825433), (36112, 780815), (36260, 777628), (44618, 631960), (45140, 624652), (47824, 589595), (50992, 552965), (59780, 471676), (63196, 446180), (63740, 442372), (72520, 388814), (78995, 356944), (89236, 315980), (90280, 312326), (110593, 254960), (111545, 252784), (117919, 239120), (119560, 235838), (126392, 223090), (127480, 221186), (145040, 194407), (156163, 180560), (157990, 178472)]