161491200

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 216

約数和(自身を含む): 574838208

約数和(自身を除く): 413347008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 647, 650, 768, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1280, 1294, 1300, 1560, 1600, 1664, 1920, 1941, 1950, 2080, 2400, 2496, 2588, 2600, 3120, 3200, 3235, 3328, 3840, 3882, 3900, 4160, 4800, 4992, 5176, 5200, 6240, 6400, 6470, 7764, 7800, 8320, 8411, 9600, 9705, 9984, 10352, 10400, 12480, 12940, 15528, 15600, 16175, 16640, 16822, 19200, 19410, 20704, 20800, 24960, 25233, 25880, 31056, 31200, 32350, 33644, 38820, 41408, 41600, 42055, 48525, 49920, 50466, 51760, 62112, 62400, 64700, 67288, 77640, 82816, 83200, 84110, 97050, 100932, 103520, 124224, 124800, 126165, 129400, 134576, 155280, 165632, 168220, 194100, 201864, 207040, 210275, 248448, 249600, 252330, 258800, 269152, 310560, 336440, 388200, 403728, 414080, 420550, 496896, 504660, 517600, 538304, 621120, 630825, 672880, 776400, 807456, 828160, 841100, 1009320, 1035200, 1076608, 1242240, 1261650, 1345760, 1552800, 1614912, 1682200, 2018640, 2070400, 2153216, 2484480, 2523300, 2691520, 3105600, 3229824, 3364400, 4037280, 4140800, 5046600, 5383040, 6211200, 6459648, 6728800, 8074560, 10093200, 10766080, 12422400, 13457600, 16149120, 20186400, 26915200, 32298240, 40372800, 53830400, 80745600, 161491200]

約数ペア:

[(1, 161491200), (2, 80745600), (3, 53830400), (4, 40372800), (5, 32298240), (6, 26915200), (8, 20186400), (10, 16149120), (12, 13457600), (13, 12422400), (15, 10766080), (16, 10093200), (20, 8074560), (24, 6728800), (25, 6459648), (26, 6211200), (30, 5383040), (32, 5046600), (39, 4140800), (40, 4037280), (48, 3364400), (50, 3229824), (52, 3105600), (60, 2691520), (64, 2523300), (65, 2484480), (75, 2153216), (78, 2070400), (80, 2018640), (96, 1682200), (100, 1614912), (104, 1552800), (120, 1345760), (128, 1261650), (130, 1242240), (150, 1076608), (156, 1035200), (160, 1009320), (192, 841100), (195, 828160), (200, 807456), (208, 776400), (240, 672880), (256, 630825), (260, 621120), (300, 538304), (312, 517600), (320, 504660), (325, 496896), (384, 420550), (390, 414080), (400, 403728), (416, 388200), (480, 336440), (520, 310560), (600, 269152), (624, 258800), (640, 252330), (647, 249600), (650, 248448), (768, 210275), (780, 207040), (800, 201864), (832, 194100), (960, 168220), (975, 165632), (1040, 155280), (1200, 134576), (1248, 129400), (1280, 126165), (1294, 124800), (1300, 124224), (1560, 103520), (1600, 100932), (1664, 97050), (1920, 84110), (1941, 83200), (1950, 82816), (2080, 77640), (2400, 67288), (2496, 64700), (2588, 62400), (2600, 62112), (3120, 51760), (3200, 50466), (3235, 49920), (3328, 48525), (3840, 42055), (3882, 41600), (3900, 41408), (4160, 38820), (4800, 33644), (4992, 32350), (5176, 31200), (5200, 31056), (6240, 25880), (6400, 25233), (6470, 24960), (7764, 20800), (7800, 20704), (8320, 19410), (8411, 19200), (9600, 16822), (9705, 16640), (9984, 16175), (10352, 15600), (10400, 15528), (12480, 12940)]