28705860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 97977600

約数和(自身を除く): 69271740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 53, 54, 59, 60, 68, 85, 90, 102, 106, 108, 118, 135, 153, 159, 170, 177, 180, 204, 212, 236, 255, 265, 270, 295, 306, 318, 340, 354, 459, 477, 510, 530, 531, 540, 590, 612, 636, 708, 765, 795, 885, 901, 918, 954, 1003, 1020, 1060, 1062, 1180, 1431, 1530, 1590, 1593, 1770, 1802, 1836, 1908, 2006, 2124, 2295, 2385, 2655, 2703, 2862, 3009, 3060, 3127, 3180, 3186, 3540, 3604, 4012, 4505, 4590, 4770, 5015, 5310, 5406, 5724, 6018, 6254, 6372, 7155, 7965, 8109, 9010, 9027, 9180, 9381, 9540, 10030, 10620, 10812, 12036, 12508, 13515, 14310, 15045, 15635, 15930, 16218, 18020, 18054, 18762, 20060, 24327, 27030, 27081, 28143, 28620, 30090, 31270, 31860, 32436, 36108, 37524, 40545, 45135, 46905, 48654, 53159, 54060, 54162, 56286, 60180, 62540, 81090, 84429, 90270, 93810, 97308, 106318, 108324, 112572, 121635, 135405, 140715, 159477, 162180, 168858, 180540, 187620, 212636, 243270, 265795, 270810, 281430, 318954, 337716, 422145, 478431, 486540, 531590, 541620, 562860, 637908, 797385, 844290, 956862, 1063180, 1435293, 1594770, 1688580, 1913724, 2392155, 2870586, 3189540, 4784310, 5741172, 7176465, 9568620, 14352930, 28705860]

約数ペア:

[(1, 28705860), (2, 14352930), (3, 9568620), (4, 7176465), (5, 5741172), (6, 4784310), (9, 3189540), (10, 2870586), (12, 2392155), (15, 1913724), (17, 1688580), (18, 1594770), (20, 1435293), (27, 1063180), (30, 956862), (34, 844290), (36, 797385), (45, 637908), (51, 562860), (53, 541620), (54, 531590), (59, 486540), (60, 478431), (68, 422145), (85, 337716), (90, 318954), (102, 281430), (106, 270810), (108, 265795), (118, 243270), (135, 212636), (153, 187620), (159, 180540), (170, 168858), (177, 162180), (180, 159477), (204, 140715), (212, 135405), (236, 121635), (255, 112572), (265, 108324), (270, 106318), (295, 97308), (306, 93810), (318, 90270), (340, 84429), (354, 81090), (459, 62540), (477, 60180), (510, 56286), (530, 54162), (531, 54060), (540, 53159), (590, 48654), (612, 46905), (636, 45135), (708, 40545), (765, 37524), (795, 36108), (885, 32436), (901, 31860), (918, 31270), (954, 30090), (1003, 28620), (1020, 28143), (1060, 27081), (1062, 27030), (1180, 24327), (1431, 20060), (1530, 18762), (1590, 18054), (1593, 18020), (1770, 16218), (1802, 15930), (1836, 15635), (1908, 15045), (2006, 14310), (2124, 13515), (2295, 12508), (2385, 12036), (2655, 10812), (2703, 10620), (2862, 10030), (3009, 9540), (3060, 9381), (3127, 9180), (3180, 9027), (3186, 9010), (3540, 8109), (3604, 7965), (4012, 7155), (4505, 6372), (4590, 6254), (4770, 6018), (5015, 5724), (5310, 5406)]