248678640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16447}}^1$

素因数の和:16476

約数の個数: 160

約数和(自身を含む): 978984960

約数和(自身を除く): 730306320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16447, 32894, 49341, 65788, 82235, 98682, 115129, 131576, 148023, 164470, 197364, 230258, 246705, 263152, 296046, 328940, 345387, 394728, 444069, 460516, 493410, 575645, 592092, 657880, 690774, 740115, 789456, 888138, 921032, 986820, 1036161, 1151290, 1184184, 1315760, 1381548, 1480230, 1726935, 1776276, 1842064, 1973640, 2072322, 2220345, 2302580, 2368368, 2763096, 2960460, 3108483, 3453870, 3552552, 3947280, 4144644, 4440690, 4605160, 5180805, 5526192, 5920920, 6216966, 6907740, 7105104, 8289288, 8881380, 9210320, 10361610, 11841840, 12433932, 13815480, 15542415, 16578576, 17762760, 20723220, 24867864, 27630960, 31084830, 35525520, 41446440, 49735728, 62169660, 82892880, 124339320, 248678640]

約数ペア:

[(1, 248678640), (2, 124339320), (3, 82892880), (4, 62169660), (5, 49735728), (6, 41446440), (7, 35525520), (8, 31084830), (9, 27630960), (10, 24867864), (12, 20723220), (14, 17762760), (15, 16578576), (16, 15542415), (18, 13815480), (20, 12433932), (21, 11841840), (24, 10361610), (27, 9210320), (28, 8881380), (30, 8289288), (35, 7105104), (36, 6907740), (40, 6216966), (42, 5920920), (45, 5526192), (48, 5180805), (54, 4605160), (56, 4440690), (60, 4144644), (63, 3947280), (70, 3552552), (72, 3453870), (80, 3108483), (84, 2960460), (90, 2763096), (105, 2368368), (108, 2302580), (112, 2220345), (120, 2072322), (126, 1973640), (135, 1842064), (140, 1776276), (144, 1726935), (168, 1480230), (180, 1381548), (189, 1315760), (210, 1184184), (216, 1151290), (240, 1036161), (252, 986820), (270, 921032), (280, 888138), (315, 789456), (336, 740115), (360, 690774), (378, 657880), (420, 592092), (432, 575645), (504, 493410), (540, 460516), (560, 444069), (630, 394728), (720, 345387), (756, 328940), (840, 296046), (945, 263152), (1008, 246705), (1080, 230258), (1260, 197364), (1512, 164470), (1680, 148023), (1890, 131576), (2160, 115129), (2520, 98682), (3024, 82235), (3780, 65788), (5040, 49341), (7560, 32894), (15120, 16447)]