127887760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1641

約数の個数: 160

約数和(自身を含む): 399474432

約数和(自身を除く): 271586672

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, 1597, 1820, 2002, 2288, 2860, 3080, 3194, 3640, 4004, 5005, 5720, 6160, 6388, 7280, 7985, 8008, 10010, 11179, 11440, 12776, 15970, 16016, 17567, 20020, 20761, 22358, 25552, 31940, 35134, 40040, 41522, 44716, 55895, 63880, 70268, 80080, 83044, 87835, 89432, 103805, 111790, 122969, 127760, 140536, 145327, 166088, 175670, 178864, 207610, 223580, 228371, 245938, 281072, 290654, 332176, 351340, 415220, 447160, 456742, 491876, 581308, 614845, 702680, 726635, 830440, 894320, 913484, 983752, 1141855, 1162616, 1229690, 1405360, 1453270, 1598597, 1660880, 1826968, 1967504, 2283710, 2325232, 2459380, 2906540, 3197194, 3653936, 4567420, 4918760, 5813080, 6394388, 7992985, 9134840, 9837520, 11626160, 12788776, 15985970, 18269680, 25577552, 31971940, 63943880, 127887760]

約数ペア:

[(1, 127887760), (2, 63943880), (4, 31971940), (5, 25577552), (7, 18269680), (8, 15985970), (10, 12788776), (11, 11626160), (13, 9837520), (14, 9134840), (16, 7992985), (20, 6394388), (22, 5813080), (26, 4918760), (28, 4567420), (35, 3653936), (40, 3197194), (44, 2906540), (52, 2459380), (55, 2325232), (56, 2283710), (65, 1967504), (70, 1826968), (77, 1660880), (80, 1598597), (88, 1453270), (91, 1405360), (104, 1229690), (110, 1162616), (112, 1141855), (130, 983752), (140, 913484), (143, 894320), (154, 830440), (176, 726635), (182, 702680), (208, 614845), (220, 581308), (260, 491876), (280, 456742), (286, 447160), (308, 415220), (364, 351340), (385, 332176), (440, 290654), (455, 281072), (520, 245938), (560, 228371), (572, 223580), (616, 207610), (715, 178864), (728, 175670), (770, 166088), (880, 145327), (910, 140536), (1001, 127760), (1040, 122969), (1144, 111790), (1232, 103805), (1430, 89432), (1456, 87835), (1540, 83044), (1597, 80080), (1820, 70268), (2002, 63880), (2288, 55895), (2860, 44716), (3080, 41522), (3194, 40040), (3640, 35134), (4004, 31940), (5005, 25552), (5720, 22358), (6160, 20761), (6388, 20020), (7280, 17567), (7985, 16016), (8008, 15970), (10010, 12776), (11179, 11440)]