15775760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 49496832

約数和(自身を除く): 33721072

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, 197, 208, 220, 260, 280, 286, 308, 364, 385, 394, 440, 455, 520, 560, 572, 616, 715, 728, 770, 788, 880, 910, 985, 1001, 1040, 1144, 1232, 1379, 1430, 1456, 1540, 1576, 1820, 1970, 2002, 2167, 2288, 2561, 2758, 2860, 3080, 3152, 3640, 3940, 4004, 4334, 5005, 5122, 5516, 5720, 6160, 6895, 7280, 7880, 8008, 8668, 10010, 10244, 10835, 11032, 11440, 12805, 13790, 15169, 15760, 16016, 17336, 17927, 20020, 20488, 21670, 22064, 25610, 27580, 28171, 30338, 34672, 35854, 40040, 40976, 43340, 51220, 55160, 56342, 60676, 71708, 75845, 80080, 86680, 89635, 102440, 110320, 112684, 121352, 140855, 143416, 151690, 173360, 179270, 197197, 204880, 225368, 242704, 281710, 286832, 303380, 358540, 394394, 450736, 563420, 606760, 717080, 788788, 985985, 1126840, 1213520, 1434160, 1577576, 1971970, 2253680, 3155152, 3943940, 7887880, 15775760]

約数ペア:

[(1, 15775760), (2, 7887880), (4, 3943940), (5, 3155152), (7, 2253680), (8, 1971970), (10, 1577576), (11, 1434160), (13, 1213520), (14, 1126840), (16, 985985), (20, 788788), (22, 717080), (26, 606760), (28, 563420), (35, 450736), (40, 394394), (44, 358540), (52, 303380), (55, 286832), (56, 281710), (65, 242704), (70, 225368), (77, 204880), (80, 197197), (88, 179270), (91, 173360), (104, 151690), (110, 143416), (112, 140855), (130, 121352), (140, 112684), (143, 110320), (154, 102440), (176, 89635), (182, 86680), (197, 80080), (208, 75845), (220, 71708), (260, 60676), (280, 56342), (286, 55160), (308, 51220), (364, 43340), (385, 40976), (394, 40040), (440, 35854), (455, 34672), (520, 30338), (560, 28171), (572, 27580), (616, 25610), (715, 22064), (728, 21670), (770, 20488), (788, 20020), (880, 17927), (910, 17336), (985, 16016), (1001, 15760), (1040, 15169), (1144, 13790), (1232, 12805), (1379, 11440), (1430, 11032), (1456, 10835), (1540, 10244), (1576, 10010), (1820, 8668), (1970, 8008), (2002, 7880), (2167, 7280), (2288, 6895), (2561, 6160), (2758, 5720), (2860, 5516), (3080, 5122), (3152, 5005), (3640, 4334), (3940, 4004)]