1728541440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 216

約数和(自身を含む): 6016007088

約数和(自身を除く): 4287465648

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 227, 240, 256, 288, 320, 360, 384, 454, 480, 576, 640, 661, 681, 720, 768, 908, 960, 1135, 1152, 1280, 1322, 1362, 1440, 1816, 1920, 1983, 2043, 2270, 2304, 2644, 2724, 2880, 3305, 3405, 3632, 3840, 3966, 4086, 4540, 5288, 5448, 5760, 5949, 6610, 6810, 7264, 7932, 8172, 9080, 9915, 10215, 10576, 10896, 11520, 11898, 13220, 13620, 14528, 15864, 16344, 18160, 19830, 20430, 21152, 21792, 23796, 26440, 27240, 29056, 29745, 31728, 32688, 36320, 39660, 40860, 42304, 43584, 47592, 52880, 54480, 58112, 59490, 63456, 65376, 72640, 79320, 81720, 84608, 87168, 95184, 105760, 108960, 118980, 126912, 130752, 145280, 150047, 158640, 163440, 169216, 174336, 190368, 211520, 217920, 237960, 253824, 261504, 290560, 300094, 317280, 326880, 380736, 423040, 435840, 450141, 475920, 507648, 523008, 600188, 634560, 653760, 750235, 761472, 846080, 871680, 900282, 951840, 1200376, 1269120, 1307520, 1350423, 1500470, 1522944, 1800564, 1903680, 2250705, 2400752, 2538240, 2615040, 2700846, 3000940, 3601128, 3807360, 4501410, 4801504, 5401692, 6001880, 6752115, 7202256, 7614720, 9002820, 9603008, 10803384, 12003760, 13504230, 14404512, 18005640, 19206016, 21606768, 24007520, 27008460, 28809024, 36011280, 38412032, 43213536, 48015040, 54016920, 57618048, 72022560, 86427072, 96030080, 108033840, 115236096, 144045120, 172854144, 192060160, 216067680, 288090240, 345708288, 432135360, 576180480, 864270720, 1728541440]

約数ペア:

[(1, 1728541440), (2, 864270720), (3, 576180480), (4, 432135360), (5, 345708288), (6, 288090240), (8, 216067680), (9, 192060160), (10, 172854144), (12, 144045120), (15, 115236096), (16, 108033840), (18, 96030080), (20, 86427072), (24, 72022560), (30, 57618048), (32, 54016920), (36, 48015040), (40, 43213536), (45, 38412032), (48, 36011280), (60, 28809024), (64, 27008460), (72, 24007520), (80, 21606768), (90, 19206016), (96, 18005640), (120, 14404512), (128, 13504230), (144, 12003760), (160, 10803384), (180, 9603008), (192, 9002820), (227, 7614720), (240, 7202256), (256, 6752115), (288, 6001880), (320, 5401692), (360, 4801504), (384, 4501410), (454, 3807360), (480, 3601128), (576, 3000940), (640, 2700846), (661, 2615040), (681, 2538240), (720, 2400752), (768, 2250705), (908, 1903680), (960, 1800564), (1135, 1522944), (1152, 1500470), (1280, 1350423), (1322, 1307520), (1362, 1269120), (1440, 1200376), (1816, 951840), (1920, 900282), (1983, 871680), (2043, 846080), (2270, 761472), (2304, 750235), (2644, 653760), (2724, 634560), (2880, 600188), (3305, 523008), (3405, 507648), (3632, 475920), (3840, 450141), (3966, 435840), (4086, 423040), (4540, 380736), (5288, 326880), (5448, 317280), (5760, 300094), (5949, 290560), (6610, 261504), (6810, 253824), (7264, 237960), (7932, 217920), (8172, 211520), (9080, 190368), (9915, 174336), (10215, 169216), (10576, 163440), (10896, 158640), (11520, 150047), (11898, 145280), (13220, 130752), (13620, 126912), (14528, 118980), (15864, 108960), (16344, 105760), (18160, 95184), (19830, 87168), (20430, 84608), (21152, 81720), (21792, 79320), (23796, 72640), (26440, 65376), (27240, 63456), (29056, 59490), (29745, 58112), (31728, 54480), (32688, 52880), (36320, 47592), (39660, 43584), (40860, 42304)]