128688560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1651

約数の個数: 160

約数和(自身を含む): 401974272

約数和(自身を除く): 273285712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1607, 1820, 2002, 2288, 2860, 3080, 3214, 3640, 4004, 5005, 5720, 6160, 6428, 7280, 8008, 8035, 10010, 11249, 11440, 12856, 16016, 16070, 17677, 20020, 20891, 22498, 25712, 32140, 35354, 40040, 41782, 44996, 56245, 64280, 70708, 80080, 83564, 88385, 89992, 104455, 112490, 123739, 128560, 141416, 146237, 167128, 176770, 179984, 208910, 224980, 229801, 247478, 282832, 292474, 334256, 353540, 417820, 449960, 459602, 494956, 584948, 618695, 707080, 731185, 835640, 899920, 919204, 989912, 1149005, 1169896, 1237390, 1414160, 1462370, 1608607, 1671280, 1838408, 1979824, 2298010, 2339792, 2474780, 2924740, 3217214, 3676816, 4596020, 4949560, 5849480, 6434428, 8043035, 9192040, 9899120, 11698960, 12868856, 16086070, 18384080, 25737712, 32172140, 64344280, 128688560]

約数ペア:

[(1, 128688560), (2, 64344280), (4, 32172140), (5, 25737712), (7, 18384080), (8, 16086070), (10, 12868856), (11, 11698960), (13, 9899120), (14, 9192040), (16, 8043035), (20, 6434428), (22, 5849480), (26, 4949560), (28, 4596020), (35, 3676816), (40, 3217214), (44, 2924740), (52, 2474780), (55, 2339792), (56, 2298010), (65, 1979824), (70, 1838408), (77, 1671280), (80, 1608607), (88, 1462370), (91, 1414160), (104, 1237390), (110, 1169896), (112, 1149005), (130, 989912), (140, 919204), (143, 899920), (154, 835640), (176, 731185), (182, 707080), (208, 618695), (220, 584948), (260, 494956), (280, 459602), (286, 449960), (308, 417820), (364, 353540), (385, 334256), (440, 292474), (455, 282832), (520, 247478), (560, 229801), (572, 224980), (616, 208910), (715, 179984), (728, 176770), (770, 167128), (880, 146237), (910, 141416), (1001, 128560), (1040, 123739), (1144, 112490), (1232, 104455), (1430, 89992), (1456, 88385), (1540, 83564), (1607, 80080), (1820, 70708), (2002, 64280), (2288, 56245), (2860, 44996), (3080, 41782), (3214, 40040), (3640, 35354), (4004, 32140), (5005, 25712), (5720, 22498), (6160, 20891), (6428, 20020), (7280, 17677), (8008, 16070), (8035, 16016), (10010, 12856), (11249, 11440)]