879357780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 288

約数和(自身を含む): 3220439040

約数和(自身を除く): 2341081260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 47, 60, 62, 63, 70, 84, 90, 93, 94, 105, 124, 126, 140, 141, 155, 180, 186, 188, 210, 217, 235, 252, 279, 282, 310, 315, 329, 372, 420, 423, 434, 465, 470, 479, 558, 564, 620, 630, 651, 658, 705, 846, 868, 930, 940, 958, 987, 1085, 1116, 1260, 1302, 1316, 1395, 1410, 1437, 1457, 1645, 1692, 1860, 1916, 1953, 1974, 2115, 2170, 2395, 2604, 2790, 2820, 2874, 2914, 2961, 3255, 3290, 3353, 3906, 3948, 4230, 4311, 4340, 4371, 4790, 4935, 5580, 5748, 5828, 5922, 6510, 6580, 6706, 7185, 7285, 7812, 8460, 8622, 8742, 9580, 9765, 9870, 10059, 10199, 11844, 13020, 13113, 13412, 14370, 14570, 14805, 14849, 16765, 17244, 17484, 19530, 19740, 20118, 20398, 21555, 21855, 22513, 26226, 28740, 29140, 29610, 29698, 30177, 30597, 33530, 39060, 40236, 40796, 43110, 43710, 44547, 45026, 50295, 50995, 52452, 59220, 59396, 60354, 61194, 65565, 67060, 67539, 74245, 86220, 87420, 89094, 90052, 91791, 100590, 101990, 103943, 112565, 120708, 122388, 131130, 133641, 135078, 148490, 150885, 152985, 157591, 178188, 183582, 201180, 202617, 203980, 207886, 222735, 225130, 262260, 267282, 270156, 296980, 301770, 305970, 311829, 315182, 337695, 367164, 405234, 415772, 445470, 450260, 458955, 472773, 519715, 534564, 603540, 611940, 623658, 630364, 668205, 675390, 697903, 787955, 810468, 890940, 917910, 935487, 945546, 1013085, 1039430, 1247316, 1336410, 1350780, 1395806, 1418319, 1559145, 1575910, 1835820, 1870974, 1891092, 2026170, 2078860, 2093709, 2363865, 2672820, 2791612, 2836638, 3118290, 3151820, 3489515, 3741948, 4052340, 4187418, 4677435, 4727730, 4885321, 5673276, 6236580, 6281127, 6979030, 7091595, 8374836, 9354870, 9455460, 9770642, 10468545, 12562254, 13958060, 14183190, 14655963, 18709740, 19541284, 20937090, 24426605, 25124508, 28366380, 29311926, 31405635, 41874180, 43967889, 48853210, 58623852, 62811270, 73279815, 87935778, 97706420, 125622540, 146559630, 175871556, 219839445, 293119260, 439678890, 879357780]

約数ペア:

[(1, 879357780), (2, 439678890), (3, 293119260), (4, 219839445), (5, 175871556), (6, 146559630), (7, 125622540), (9, 97706420), (10, 87935778), (12, 73279815), (14, 62811270), (15, 58623852), (18, 48853210), (20, 43967889), (21, 41874180), (28, 31405635), (30, 29311926), (31, 28366380), (35, 25124508), (36, 24426605), (42, 20937090), (45, 19541284), (47, 18709740), (60, 14655963), (62, 14183190), (63, 13958060), (70, 12562254), (84, 10468545), (90, 9770642), (93, 9455460), (94, 9354870), (105, 8374836), (124, 7091595), (126, 6979030), (140, 6281127), (141, 6236580), (155, 5673276), (180, 4885321), (186, 4727730), (188, 4677435), (210, 4187418), (217, 4052340), (235, 3741948), (252, 3489515), (279, 3151820), (282, 3118290), (310, 2836638), (315, 2791612), (329, 2672820), (372, 2363865), (420, 2093709), (423, 2078860), (434, 2026170), (465, 1891092), (470, 1870974), (479, 1835820), (558, 1575910), (564, 1559145), (620, 1418319), (630, 1395806), (651, 1350780), (658, 1336410), (705, 1247316), (846, 1039430), (868, 1013085), (930, 945546), (940, 935487), (958, 917910), (987, 890940), (1085, 810468), (1116, 787955), (1260, 697903), (1302, 675390), (1316, 668205), (1395, 630364), (1410, 623658), (1437, 611940), (1457, 603540), (1645, 534564), (1692, 519715), (1860, 472773), (1916, 458955), (1953, 450260), (1974, 445470), (2115, 415772), (2170, 405234), (2395, 367164), (2604, 337695), (2790, 315182), (2820, 311829), (2874, 305970), (2914, 301770), (2961, 296980), (3255, 270156), (3290, 267282), (3353, 262260), (3906, 225130), (3948, 222735), (4230, 207886), (4311, 203980), (4340, 202617), (4371, 201180), (4790, 183582), (4935, 178188), (5580, 157591), (5748, 152985), (5828, 150885), (5922, 148490), (6510, 135078), (6580, 133641), (6706, 131130), (7185, 122388), (7285, 120708), (7812, 112565), (8460, 103943), (8622, 101990), (8742, 100590), (9580, 91791), (9765, 90052), (9870, 89094), (10059, 87420), (10199, 86220), (11844, 74245), (13020, 67539), (13113, 67060), (13412, 65565), (14370, 61194), (14570, 60354), (14805, 59396), (14849, 59220), (16765, 52452), (17244, 50995), (17484, 50295), (19530, 45026), (19740, 44547), (20118, 43710), (20398, 43110), (21555, 40796), (21855, 40236), (22513, 39060), (26226, 33530), (28740, 30597), (29140, 30177), (29610, 29698)]