30984800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 63509152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 350, 352, 385, 400, 440, 503, 550, 560, 616, 700, 770, 800, 880, 1006, 1100, 1120, 1232, 1400, 1540, 1760, 1925, 2012, 2200, 2464, 2515, 2800, 3080, 3521, 3850, 4024, 4400, 5030, 5533, 5600, 6160, 7042, 7700, 8048, 8800, 10060, 11066, 12320, 12575, 14084, 15400, 16096, 17605, 20120, 22132, 25150, 27665, 28168, 30800, 35210, 38731, 40240, 44264, 50300, 55330, 56336, 61600, 70420, 77462, 80480, 88025, 88528, 100600, 110660, 112672, 138325, 140840, 154924, 176050, 177056, 193655, 201200, 221320, 276650, 281680, 309848, 352100, 387310, 402400, 442640, 553300, 563360, 619696, 704200, 774620, 885280, 968275, 1106600, 1239392, 1408400, 1549240, 1936550, 2213200, 2816800, 3098480, 3873100, 4426400, 6196960, 7746200, 15492400, 30984800]

約数ペア:

[(1, 30984800), (2, 15492400), (4, 7746200), (5, 6196960), (7, 4426400), (8, 3873100), (10, 3098480), (11, 2816800), (14, 2213200), (16, 1936550), (20, 1549240), (22, 1408400), (25, 1239392), (28, 1106600), (32, 968275), (35, 885280), (40, 774620), (44, 704200), (50, 619696), (55, 563360), (56, 553300), (70, 442640), (77, 402400), (80, 387310), (88, 352100), (100, 309848), (110, 281680), (112, 276650), (140, 221320), (154, 201200), (160, 193655), (175, 177056), (176, 176050), (200, 154924), (220, 140840), (224, 138325), (275, 112672), (280, 110660), (308, 100600), (350, 88528), (352, 88025), (385, 80480), (400, 77462), (440, 70420), (503, 61600), (550, 56336), (560, 55330), (616, 50300), (700, 44264), (770, 40240), (800, 38731), (880, 35210), (1006, 30800), (1100, 28168), (1120, 27665), (1232, 25150), (1400, 22132), (1540, 20120), (1760, 17605), (1925, 16096), (2012, 15400), (2200, 14084), (2464, 12575), (2515, 12320), (2800, 11066), (3080, 10060), (3521, 8800), (3850, 8048), (4024, 7700), (4400, 7042), (5030, 6160), (5533, 5600)]