128252880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{25447}}^1$

素因数の和:25473

約数の個数: 120

約数和(自身を含む): 492266112

約数和(自身を除く): 364013232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 25447, 50894, 76341, 101788, 127235, 152682, 178129, 203576, 229023, 254470, 305364, 356258, 381705, 407152, 458046, 508940, 534387, 610728, 712516, 763410, 890645, 916092, 1017880, 1068774, 1145115, 1221456, 1425032, 1526820, 1603161, 1781290, 1832184, 2035760, 2137548, 2290230, 2671935, 2850064, 3053640, 3206322, 3562580, 3664368, 4275096, 4580460, 5343870, 6107280, 6412644, 7125160, 8015805, 8550192, 9160920, 10687740, 12825288, 14250320, 16031610, 18321840, 21375480, 25650576, 32063220, 42750960, 64126440, 128252880]

約数ペア:

[(1, 128252880), (2, 64126440), (3, 42750960), (4, 32063220), (5, 25650576), (6, 21375480), (7, 18321840), (8, 16031610), (9, 14250320), (10, 12825288), (12, 10687740), (14, 9160920), (15, 8550192), (16, 8015805), (18, 7125160), (20, 6412644), (21, 6107280), (24, 5343870), (28, 4580460), (30, 4275096), (35, 3664368), (36, 3562580), (40, 3206322), (42, 3053640), (45, 2850064), (48, 2671935), (56, 2290230), (60, 2137548), (63, 2035760), (70, 1832184), (72, 1781290), (80, 1603161), (84, 1526820), (90, 1425032), (105, 1221456), (112, 1145115), (120, 1068774), (126, 1017880), (140, 916092), (144, 890645), (168, 763410), (180, 712516), (210, 610728), (240, 534387), (252, 508940), (280, 458046), (315, 407152), (336, 381705), (360, 356258), (420, 305364), (504, 254470), (560, 229023), (630, 203576), (720, 178129), (840, 152682), (1008, 127235), (1260, 101788), (1680, 76341), (2520, 50894), (5040, 25447)]