180721920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2520

約数の個数: 144

約数和(自身を含む): 607803840

約数和(自身を除く): 427081920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 2477, 3040, 3648, 3840, 4560, 4864, 4954, 6080, 7296, 7431, 9120, 9908, 12160, 12385, 14592, 14862, 18240, 19816, 24320, 24770, 29724, 36480, 37155, 39632, 47063, 49540, 59448, 72960, 74310, 79264, 94126, 99080, 118896, 141189, 148620, 158528, 188252, 198160, 235315, 237792, 282378, 297240, 317056, 376504, 396320, 470630, 475584, 564756, 594480, 634112, 705945, 753008, 792640, 941260, 951168, 1129512, 1188960, 1411890, 1506016, 1585280, 1882520, 1902336, 2259024, 2377920, 2823780, 3012032, 3170560, 3765040, 4518048, 4755840, 5647560, 6024064, 7530080, 9036096, 9511680, 11295120, 12048128, 15060160, 18072192, 22590240, 30120320, 36144384, 45180480, 60240640, 90360960, 180721920]

約数ペア:

[(1, 180721920), (2, 90360960), (3, 60240640), (4, 45180480), (5, 36144384), (6, 30120320), (8, 22590240), (10, 18072192), (12, 15060160), (15, 12048128), (16, 11295120), (19, 9511680), (20, 9036096), (24, 7530080), (30, 6024064), (32, 5647560), (38, 4755840), (40, 4518048), (48, 3765040), (57, 3170560), (60, 3012032), (64, 2823780), (76, 2377920), (80, 2259024), (95, 1902336), (96, 1882520), (114, 1585280), (120, 1506016), (128, 1411890), (152, 1188960), (160, 1129512), (190, 951168), (192, 941260), (228, 792640), (240, 753008), (256, 705945), (285, 634112), (304, 594480), (320, 564756), (380, 475584), (384, 470630), (456, 396320), (480, 376504), (570, 317056), (608, 297240), (640, 282378), (760, 237792), (768, 235315), (912, 198160), (960, 188252), (1140, 158528), (1216, 148620), (1280, 141189), (1520, 118896), (1824, 99080), (1920, 94126), (2280, 79264), (2432, 74310), (2477, 72960), (3040, 59448), (3648, 49540), (3840, 47063), (4560, 39632), (4864, 37155), (4954, 36480), (6080, 29724), (7296, 24770), (7431, 24320), (9120, 19816), (9908, 18240), (12160, 14862), (12385, 14592)]