128331280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 377975808

約数和(自身を除く): 249644528

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 83, 88, 110, 112, 140, 154, 166, 176, 220, 251, 280, 308, 332, 385, 415, 440, 502, 560, 581, 616, 664, 770, 830, 880, 913, 1004, 1162, 1232, 1255, 1328, 1540, 1660, 1757, 1826, 2008, 2324, 2510, 2761, 2905, 3080, 3320, 3514, 3652, 4016, 4565, 4648, 5020, 5522, 5810, 6160, 6391, 6640, 7028, 7304, 8785, 9130, 9296, 10040, 11044, 11620, 12782, 13805, 14056, 14608, 17570, 18260, 19327, 20080, 20833, 22088, 23240, 25564, 27610, 28112, 31955, 35140, 36520, 38654, 41666, 44176, 46480, 51128, 55220, 63910, 70280, 73040, 77308, 83332, 96635, 102256, 104165, 110440, 127820, 140560, 145831, 154616, 166664, 193270, 208330, 220880, 229163, 255640, 291662, 309232, 333328, 386540, 416660, 458326, 511280, 583324, 729155, 773080, 833320, 916652, 1145815, 1166648, 1458310, 1546160, 1604141, 1666640, 1833304, 2291630, 2333296, 2916620, 3208282, 3666608, 4583260, 5833240, 6416564, 8020705, 9166520, 11666480, 12833128, 16041410, 18333040, 25666256, 32082820, 64165640, 128331280]

約数ペア:

[(1, 128331280), (2, 64165640), (4, 32082820), (5, 25666256), (7, 18333040), (8, 16041410), (10, 12833128), (11, 11666480), (14, 9166520), (16, 8020705), (20, 6416564), (22, 5833240), (28, 4583260), (35, 3666608), (40, 3208282), (44, 2916620), (55, 2333296), (56, 2291630), (70, 1833304), (77, 1666640), (80, 1604141), (83, 1546160), (88, 1458310), (110, 1166648), (112, 1145815), (140, 916652), (154, 833320), (166, 773080), (176, 729155), (220, 583324), (251, 511280), (280, 458326), (308, 416660), (332, 386540), (385, 333328), (415, 309232), (440, 291662), (502, 255640), (560, 229163), (581, 220880), (616, 208330), (664, 193270), (770, 166664), (830, 154616), (880, 145831), (913, 140560), (1004, 127820), (1162, 110440), (1232, 104165), (1255, 102256), (1328, 96635), (1540, 83332), (1660, 77308), (1757, 73040), (1826, 70280), (2008, 63910), (2324, 55220), (2510, 51128), (2761, 46480), (2905, 44176), (3080, 41666), (3320, 38654), (3514, 36520), (3652, 35140), (4016, 31955), (4565, 28112), (4648, 27610), (5020, 25564), (5522, 23240), (5810, 22088), (6160, 20833), (6391, 20080), (6640, 19327), (7028, 18260), (7304, 17570), (8785, 14608), (9130, 14056), (9296, 13805), (10040, 12782), (11044, 11620)]