1320347925

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 2834818560

約数和(自身を除く): 1514470635

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 53, 65, 75, 85, 117, 135, 153, 159, 167, 195, 221, 225, 255, 265, 325, 351, 425, 459, 477, 501, 585, 663, 675, 689, 765, 795, 835, 901, 975, 1105, 1275, 1325, 1431, 1503, 1755, 1989, 2067, 2171, 2295, 2385, 2505, 2703, 2839, 2925, 3315, 3445, 3825, 3975, 4175, 4505, 4509, 5525, 5967, 6201, 6513, 7155, 7515, 8109, 8517, 8775, 8851, 9945, 10335, 10855, 11475, 11713, 11925, 12525, 13515, 14195, 16575, 17225, 18603, 19539, 22525, 22545, 24327, 25551, 26553, 29835, 31005, 32565, 35139, 35775, 36907, 37575, 40545, 42585, 44255, 49725, 51675, 54275, 58565, 58617, 67575, 70975, 76653, 79659, 93015, 97695, 105417, 110721, 112725, 115063, 121635, 127755, 132765, 149175, 150467, 155025, 162825, 175695, 184535, 202725, 212925, 221275, 238977, 292825, 293085, 316251, 332163, 345189, 383265, 398295, 451401, 465075, 488475, 527085, 553605, 575315, 608175, 638775, 663825, 752335, 878475, 922675, 996489, 1035567, 1194885, 1354203, 1465425, 1581255, 1660815, 1725945, 1916325, 1956071, 1991475, 2257005, 2635425, 2768025, 2876575, 3106701, 3761675, 4062609, 4982445, 5177835, 5868213, 5974425, 6771015, 7906275, 8304075, 8629725, 9780355, 11285025, 15533505, 17604639, 20313045, 24912225, 25889175, 29341065, 33855075, 48901775, 52813917, 77667525, 88023195, 101565225, 146705325, 264069585, 440115975, 1320347925]

約数ペア:

[(1, 1320347925), (3, 440115975), (5, 264069585), (9, 146705325), (13, 101565225), (15, 88023195), (17, 77667525), (25, 52813917), (27, 48901775), (39, 33855075), (45, 29341065), (51, 25889175), (53, 24912225), (65, 20313045), (75, 17604639), (85, 15533505), (117, 11285025), (135, 9780355), (153, 8629725), (159, 8304075), (167, 7906275), (195, 6771015), (221, 5974425), (225, 5868213), (255, 5177835), (265, 4982445), (325, 4062609), (351, 3761675), (425, 3106701), (459, 2876575), (477, 2768025), (501, 2635425), (585, 2257005), (663, 1991475), (675, 1956071), (689, 1916325), (765, 1725945), (795, 1660815), (835, 1581255), (901, 1465425), (975, 1354203), (1105, 1194885), (1275, 1035567), (1325, 996489), (1431, 922675), (1503, 878475), (1755, 752335), (1989, 663825), (2067, 638775), (2171, 608175), (2295, 575315), (2385, 553605), (2505, 527085), (2703, 488475), (2839, 465075), (2925, 451401), (3315, 398295), (3445, 383265), (3825, 345189), (3975, 332163), (4175, 316251), (4505, 293085), (4509, 292825), (5525, 238977), (5967, 221275), (6201, 212925), (6513, 202725), (7155, 184535), (7515, 175695), (8109, 162825), (8517, 155025), (8775, 150467), (8851, 149175), (9945, 132765), (10335, 127755), (10855, 121635), (11475, 115063), (11713, 112725), (11925, 110721), (12525, 105417), (13515, 97695), (14195, 93015), (16575, 79659), (17225, 76653), (18603, 70975), (19539, 67575), (22525, 58617), (22545, 58565), (24327, 54275), (25551, 51675), (26553, 49725), (29835, 44255), (31005, 42585), (32565, 40545), (35139, 37575), (35775, 36907)]