245463840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:851

約数の個数: 144

約数和(自身を含む): 841728888

約数和(自身を除く): 596265048

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 373, 457, 480, 720, 746, 914, 1119, 1371, 1440, 1492, 1828, 1865, 2238, 2285, 2742, 2984, 3357, 3656, 3730, 4113, 4476, 4570, 5484, 5595, 5968, 6714, 6855, 7312, 7460, 8226, 8952, 9140, 10968, 11190, 11936, 13428, 13710, 14624, 14920, 16452, 16785, 17904, 18280, 20565, 21936, 22380, 26856, 27420, 29840, 32904, 33570, 35808, 36560, 41130, 43872, 44760, 53712, 54840, 59680, 65808, 67140, 73120, 82260, 89520, 107424, 109680, 131616, 134280, 164520, 170461, 179040, 219360, 268560, 329040, 340922, 511383, 537120, 658080, 681844, 852305, 1022766, 1363688, 1534149, 1704610, 2045532, 2556915, 2727376, 3068298, 3409220, 4091064, 5113830, 5454752, 6136596, 6818440, 7670745, 8182128, 10227660, 12273192, 13636880, 15341490, 16364256, 20455320, 24546384, 27273760, 30682980, 40910640, 49092768, 61365960, 81821280, 122731920, 245463840]

約数ペア:

[(1, 245463840), (2, 122731920), (3, 81821280), (4, 61365960), (5, 49092768), (6, 40910640), (8, 30682980), (9, 27273760), (10, 24546384), (12, 20455320), (15, 16364256), (16, 15341490), (18, 13636880), (20, 12273192), (24, 10227660), (30, 8182128), (32, 7670745), (36, 6818440), (40, 6136596), (45, 5454752), (48, 5113830), (60, 4091064), (72, 3409220), (80, 3068298), (90, 2727376), (96, 2556915), (120, 2045532), (144, 1704610), (160, 1534149), (180, 1363688), (240, 1022766), (288, 852305), (360, 681844), (373, 658080), (457, 537120), (480, 511383), (720, 340922), (746, 329040), (914, 268560), (1119, 219360), (1371, 179040), (1440, 170461), (1492, 164520), (1828, 134280), (1865, 131616), (2238, 109680), (2285, 107424), (2742, 89520), (2984, 82260), (3357, 73120), (3656, 67140), (3730, 65808), (4113, 59680), (4476, 54840), (4570, 53712), (5484, 44760), (5595, 43872), (5968, 41130), (6714, 36560), (6855, 35808), (7312, 33570), (7460, 32904), (8226, 29840), (8952, 27420), (9140, 26856), (10968, 22380), (11190, 21936), (11936, 20565), (13428, 18280), (13710, 17904), (14624, 16785), (14920, 16452)]