255526560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:2991

約数の個数: 144

約数和(自身を含む): 886583880

約数和(自身を除く): 631057320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2909, 2928, 3660, 4392, 4880, 5490, 5818, 5856, 7320, 8727, 8784, 9760, 10980, 11636, 14545, 14640, 17454, 17568, 21960, 23272, 26181, 29090, 29280, 34908, 43635, 43920, 46544, 52362, 58180, 69816, 87270, 87840, 93088, 104724, 116360, 130905, 139632, 174540, 177449, 209448, 232720, 261810, 279264, 349080, 354898, 418896, 465440, 523620, 532347, 698160, 709796, 837792, 887245, 1047240, 1064694, 1396320, 1419592, 1597041, 1774490, 2094480, 2129388, 2661735, 2839184, 3194082, 3548980, 4188960, 4258776, 5323470, 5678368, 6388164, 7097960, 7985205, 8517552, 10646940, 12776328, 14195920, 15970410, 17035104, 21293880, 25552656, 28391840, 31940820, 42587760, 51105312, 63881640, 85175520, 127763280, 255526560]

約数ペア:

[(1, 255526560), (2, 127763280), (3, 85175520), (4, 63881640), (5, 51105312), (6, 42587760), (8, 31940820), (9, 28391840), (10, 25552656), (12, 21293880), (15, 17035104), (16, 15970410), (18, 14195920), (20, 12776328), (24, 10646940), (30, 8517552), (32, 7985205), (36, 7097960), (40, 6388164), (45, 5678368), (48, 5323470), (60, 4258776), (61, 4188960), (72, 3548980), (80, 3194082), (90, 2839184), (96, 2661735), (120, 2129388), (122, 2094480), (144, 1774490), (160, 1597041), (180, 1419592), (183, 1396320), (240, 1064694), (244, 1047240), (288, 887245), (305, 837792), (360, 709796), (366, 698160), (480, 532347), (488, 523620), (549, 465440), (610, 418896), (720, 354898), (732, 349080), (915, 279264), (976, 261810), (1098, 232720), (1220, 209448), (1440, 177449), (1464, 174540), (1830, 139632), (1952, 130905), (2196, 116360), (2440, 104724), (2745, 93088), (2909, 87840), (2928, 87270), (3660, 69816), (4392, 58180), (4880, 52362), (5490, 46544), (5818, 43920), (5856, 43635), (7320, 34908), (8727, 29280), (8784, 29090), (9760, 26181), (10980, 23272), (11636, 21960), (14545, 17568), (14640, 17454)]